中华人民共和国国家标准 (Guobiao — Mandatory National Standards)China权威分: 83
GB 7548
Rubber sealing products — Vocabulary
行业
Rubber
产品类别
Rubber Seal
关键词
["橡胶","密封","rubber","seal","vocabulary"]
Rubber sealing products — Vocabulary
Rubber
Rubber Seal
["橡胶","密封","rubber","seal","vocabulary"]