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热锻水暖管件用黄铜棒
Brass rods and bars for forging plumbing fittings
价格:¥0.00
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塑覆铜管
Poly-lag copper tube
价格:¥0.00
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冰箱用高清洁度铜管
Cleanness copper tube for refrigerator industry
价格:¥0.00
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内螺纹铜管
Inner grooved copper tube
价格:¥0.00
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铜及铜合金韦氏硬度试验方法
Copper and copper alloys webster hardness standrad test method
价格:¥0.00
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铜及铜合金板带箔材产品缺陷
Defects of plate, strip and foil products of copper and copper alloy
价格:¥0.00
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铜及铜合金管棒型线材产品缺陷
Defects of tube, bar, shape and wire products of copper and copper alloy
价格:¥0.00
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