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公开(公告)号:US3013672A
公开(公告)日:1961-12-19
申请号:US74437158
申请日:1958-06-25
Applicant: ILLINOIS TOOL WORKS
Inventor: PEREZ GEORGE R
IPC: B65G47/52
CPC classification number: B65G47/52
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公开(公告)号:US2949148A
公开(公告)日:1960-08-16
申请号:US55635655
申请日:1955-12-29
Applicant: ILLINOIS TOOL WORKS
Inventor: RAYBURN CHARLES C , BLACK JR JAMES G , PEREZ GEORGE R
CPC classification number: B65H37/00 , H01C17/07 , Y10T156/1339 , Y10T156/1768
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