"Steel butt-welding p " CNS Standards Search Result |
CNS 13635
- English Version Steel butt-welding pipe fittings for ordinary use 一般配管用鋼制對接焊接式管件 - 英文版 |
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CNS 13637
- English Version Steel plate butt-welding pipe fittings 配管用鋼板制對接焊接式管件 - 英文版 |
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CNS 13636
- English Version Steel butt-welding pipe fittings 配管用鋼制對接焊接式管件 - 英文版 |
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