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公开(公告)号:US2257512A
公开(公告)日:1941-09-30
申请号:US28191839
申请日:1939-06-29
Applicant: SAMUEL OLSON MFG COMPANY INC
Inventor: SAMUEL OLSON , LENFESTEY PERCY E
IPC: B65G47/48
CPC classification number: B65G47/48 , B65G47/487
公开(公告)号:US2257512A
公开(公告)日:1941-09-30
申请号:US28191839
申请日:1939-06-29
Applicant: SAMUEL OLSON MFG COMPANY INC
Inventor: SAMUEL OLSON , LENFESTEY PERCY E
IPC: B65G47/48
CPC classification number: B65G47/48 , B65G47/487