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公开(公告)号:US1898037A
公开(公告)日:1933-02-21
申请号:US46850730
申请日:1930-07-17
Applicant: ALVEY MFG COMPANY
Inventor: DIETZ FRANK J
IPC: B65G47/00
CPC classification number: B65G47/00 , B65G2811/0684
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公开(公告)号:US1892206A
公开(公告)日:1932-12-27
申请号:US58650832
申请日:1932-01-14
Applicant: ALVEY MFG COMPANY
Inventor: DIETZ FRANK J
IPC: B65G11/20
CPC classification number: B65G11/203
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公开(公告)号:US1815549A
公开(公告)日:1931-07-21
申请号:US42881630
申请日:1930-02-15
Applicant: ALVEY MFG COMPANY
Inventor: DIETZ FRANK J
IPC: B65G47/68
CPC classification number: B65G47/681
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