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????:DN10/D16/3/8?-DN80/D110/4?
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????:DIN,ASTM&BSP,NPT
????:EPDM,FPM
????:PN10,PN6
??????:80?

????:DN10/D16-DN80/D110
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????:DIN,ANSI,ASA,JIS
????:EPDM,FPM
????:PN10,PN6
??????:80?


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