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中華人民共和國國家標準(中國大陸GB標準)英文版 |
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GB標準是中華人民共和國國家標準，也叫GB國標，是中國大陸強制執行的國家標準，所有中國大陸境內銷售的商品及提供服務都必須符合GB國家標準的要求，包括進口商品及服務； 本網站提供GB國家標準的查詢檢索，英文版翻譯，GB標準產品檢測檢驗及合規性分析服務； |
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GB/T 7731.4-1987 ???????? ?????????（中英文版） Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content |
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GB/T 7731.1-1987 ???????? ??????????（中英文版） Methods for chemical analysis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content |
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GB/T 7729-1987 ???????? ???????（中英文版） Chemical analysis of metallurgical products--General rule for spectrophotometric methods |
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GB/T 7728-1987 ???????? ???????????（中英文版） Chemical analysis of metallurgical products--General rule for flame atomic absorption spectrometric methods |
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GB/T 223.58-1987 ??????????? ????-???????????（中英文版） Methods for chemical analysis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content |
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GB/T 223.57-1987 ??????????? ????-???????????（中英文版） Methods for chemical analysis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content |
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GB/T 223.54-1987 ??????????? ???????????????（中英文版） Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content |
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GB/T 223.53-1987 ??????????? ???????????????（中英文版） Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content |
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GB/T 223.52-1987 ??????????? ????-???????（中英文版） Methods for chemical analysis of iron,steel and alloy--The hydroxylamine hydrochloride-iodometric method for the determination of selenium content |
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GB/T 223.51-1987 ??????????? 5-Br-PADAP ???????（中英文版） Methods for chemical analysis of iron,steel and alloy--The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content |
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GB/T 7713-1987 ?????????????????????（中英文版） Presentation of scientific and technical reports,dissertations and scientific papers |
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GB/T 7643-1987 ????（中英文版） Sticklac |
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GB/T 7637-1987 ????????????????（中英文版） Operation rules of construction and installation of biogas pipelines for peasant household |
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GB/T 7636-1987 ????????????（中英文版） Standard on design of biogas pipelines for peasant household |
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GB/T 7632-1987 ?????????（中英文版） Recommendations for the choice of lubricants for machine tools |
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GB/T 7626-1987 ???????????????????????4800??/??????（中英文版） 4800 bits per second modem with manual equalizer standardized for use on leased telephone-type circuits |
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GB/T 7625-1987 ??????????????? 2400/1200??/??????（中英文版） 2400/1200 bits per second modem standardized for use in the general switched telephone network |
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GB/T 7624-1987 ?????????????????2400??/??????（中英文版） 2400 bits persecond modem standardized for use on 4-wire leased telephone type circuits |
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GB/T 7623-1987 ?????????????????(?)????????, ??????????????????????????（中英文版） Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network, including procedures for bling of echo control devices for both manually and automatically established calls |
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GB/T 7622-1987 ???????????????600/1200???????（中英文版） 600/1200 bauds modem standardized for use in the general switched telephone network |
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