中华人民共和国国家标准 (Guobiao — Mandatory National Standards)ChinaAuthority: 83
GB 531
Rubber, vulcanized or thermoplastic — Determination of indentation hardness
Industry
Rubber
Product Family
Rubber Hose
Keywords
["橡胶","硬度","rubber","hardness","testing"]
Rubber, vulcanized or thermoplastic — Determination of indentation hardness
Rubber
Rubber Hose
["橡胶","硬度","rubber","hardness","testing"]