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产品代码 (HS 2017)
680690
Minerals; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading no. 6811 or 6812 or of chapter 69
焊剂胶带
DESCRIPTION
由硅胶和E玻璃长丝制成。用于在单面焊接钢时形成接缝的背面