曲柄链牵引链|沙特标准|SASO-ISO-6971
SASO-ISO-6971
Cranked-link drag chains of welded construction, attachments and sprockets
焊接结构,附件和链轮的曲柄链牵引链
曲柄链牵引链|沙特标准|SASO-ISO-6971
SASO-ISO-6971
Cranked-link drag chains of welded construction, attachments and sprockets
焊接结构,附件和链轮的曲柄链牵引链