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7002320000 
其他未加工的玻璃管
Other unworked tubes of other glass having a linear coefficient of expansion not exceeding 5×10﹣6 per Kelvin within a temperature range of 0℃ to 300℃ |
7907002000 
锌管及锌制管子附件
Zinc tubes,pipes and tube or pipe fittings(for example couplings, elbows, sleeves) |
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5907002000 
其他材料浸涂已绘制画布
Painted canvas,impregnated,coated or covered with other materials other than rubber,plastic, paste |
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7002390001 
光通信用微光组件的玻璃毛细管、定位管
Glass capillaries or positioning tube of micro-optical assemblies for optical communi- cations(external diameter<3mm) |
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