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公开(公告)号:US1771516A
公开(公告)日:1930-07-29
申请号:US20531427
申请日:1927-07-13
Applicant: PORTABLE MACHINERY COMPANY INC
Inventor: WENTZ JERE L
CPC classification number: B65G15/30 , B65G15/42 , B65G2201/04
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公开(公告)号:US1376125A
公开(公告)日:1921-04-26
申请号:US35086020
申请日:1920-01-12
Applicant: PORTABLE MACHINERY COMPANY INC
Inventor: WENTZ JERE L
IPC: B62B3/06
CPC classification number: B62B3/0625 , Y10T74/18832
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