 8540999000 
其他热电子管、冷阴极管零件
Parts of Other thermionic, cold cathode(including photocathode valves and tubes, mercury arc rectifying valves and tubes) |
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8540890090
其他电子管
Other valves and tubes (including photocathode valves and tubes, mercury arc rectifying valves and tubes) |
8540209010
电子条纹相机的条纹显像管
Stripe kinescopes for electronic stripe cameras (exclusively used for item listed in No. 84798990.71) |
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8540120000
单色阴极射线电视显像管
Other monochrome cathode-ray television picture tubes, including cideo monitor cathode-ray tubes |
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8540890010
光电倍增管
Photomultiplier tube(optoelectronic cathode area of more than 20 square centimeters, and anode pulse rise of less than 1ns) |
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