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International Standard Category: Flanges, couplings and joints

GB/T 9121.2-2000    Loose plate steel pipe flanges with male and female face
凹凸面平焊环板式松套钢制管法兰 ;
Category No.:23.040.60 Valid Status:superseded
Issued Organization:CSBTS Issued Date:2000-09-02
Implemented Date:2001-7-1 Abolished Date:
Superseded Standard.:GB/T 9121-2010 loose plate steel pipe flanges with weld-on collar
Superseded Date:2011-10-1
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