中华人民共和国国家标准 (Guobiao — Mandatory National Standards)China权威分: 83
GB 12730
Rubber conveyor belts — Application guide
行业
Rubber
产品类别
Rubber Belt
关键词
["橡胶","输送带","rubber","conveyor","belt"]
Rubber conveyor belts — Application guide
Rubber
Rubber Belt
["橡胶","输送带","rubber","conveyor","belt"]