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90312000-HS编码 商品归类查询
 9031200030    
试车台

Test benches (which have the capacity to handle solid or liquid propellant rocket motors of more than 90 kN of thrust, or which are capable of simultaneously measuring the three axial thrust components)
 9031200040    
惯性平台测试台

Test tables for inertial platform (including high-accuracy centrifuges and rotating table)
 2903120001    
纯度在99%及以上的二氯甲烷

Dichloromethane(methylene chloride),(purity of 99% or more)

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