机械行业强制性标准 (Machinery Industry Mandatory Standards)ChinaAuthority: 82
JB 40215
Valve Rubber Seal Technical Requirements
Industry
Rubber
Product Family
Rubber Seal
Keywords
["密封", "止水", "防水", "密封圈", "密封条", "密封垫", "O型圈"]
Valve Rubber Seal Technical Requirements
Rubber
Rubber Seal
["密封", "止水", "防水", "密封圈", "密封条", "密封垫", "O型圈"]