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公开(公告)号:US1462510A
公开(公告)日:1923-07-24
申请号:US51661921
申请日:1921-11-21
Applicant: STANDARD CONVEYOR CO
Inventor: LISTER CHARLES H
IPC: B65G25/00
CPC classification number: B65G25/10
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公开(公告)号:US1425599A
公开(公告)日:1922-08-15
申请号:US36317220
申请日:1920-03-04
Applicant: STANDARD CONVEYOR CO
Inventor: LISTER CHARLES H
IPC: B65G47/29
CPC classification number: B65G47/29
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