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公开(公告)号:US1562680A
公开(公告)日:1925-11-24
申请号:US55425
申请日:1925-01-05
Applicant: ALVEY MFG COMPANY
Inventor: BOHN WILLIAM J
IPC: B65G13/00
CPC classification number: B65G13/075
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公开(公告)号:US1676978A
公开(公告)日:1928-07-10
申请号:US4768025
申请日:1925-08-03
Applicant: ALVEY MFG COMPANY
Inventor: BOHN WILLIAM J
IPC: B65G19/22
CPC classification number: B65G19/225
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公开(公告)号:US1619015A
公开(公告)日:1927-03-01
申请号:US61230623
申请日:1923-01-12
Applicant: ALVEY MFG COMPANY
Inventor: BOHN WILLIAM J
IPC: B65G47/00
CPC classification number: B65G47/00 , B65G2812/02712
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