石油天然气行业推荐标准 (Oil & Gas Industry Recommended Standards)ChinaAuthority: 78
SY/T 132218
Food-grade Rubber Sealing Products
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"]
Food-grade Rubber Sealing Products
Rubber
Rubber Seal
["密封", "止水", "防水", "密封圈", "密封条", "密封垫", "O型圈"]