石油天然气行业强制性标准 (Oil & Gas Industry Mandatory Standards)ChinaAuthority: 82
SY 130216
Flange Gasket Selection Guide
Industry
Chemical
Product Family
Gasket
Keywords
["密封", "止水", "防水", "密封圈", "密封条", "密封垫", "O型圈"]
Flange Gasket Selection Guide
Chemical
Gasket
["密封", "止水", "防水", "密封圈", "密封条", "密封垫", "O型圈"]