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B10 BFe10-1.6-1 C70600 銅鎳封頭管帽

B10 BFe10-1.6-1 C70600 銅鎳封頭ASME B16.9

B10 BFe10-1.6-1 C70600 銅鎳封頭管帽

B10 BFe10-1.6-1 C70600 銅鎳封頭EEMUA 146

B10 BFe10-1.6-1 C70600 銅鎳封頭管帽

B10 BFe10-1.6-1 C70600 銅鎳封頭DIN 28011

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