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公开(公告)号:US2860520A
公开(公告)日:1958-11-18
申请号:US68595557
申请日:1957-09-24
Applicant: UNITED STATES STEEL CORP
Inventor: CHESTER SULL
IPC: B65G17/38
CPC classification number: B65G17/38 , B65G2201/06
公开(公告)号:US2860520A
公开(公告)日:1958-11-18
申请号:US68595557
申请日:1957-09-24
Applicant: UNITED STATES STEEL CORP
Inventor: CHESTER SULL
IPC: B65G17/38
CPC classification number: B65G17/38 , B65G2201/06