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公开(公告)号：US1403108A
公开(公告)日：1922-01-10
申请号：US35408220
申请日：1920-01-26
Applicant: JOHN POSTMA
Inventor： JOHN POSTMA
IPC: B67D7/76
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公开(公告)号：US1352378A
公开(公告)日：1920-09-07
申请号：US34781819
申请日：1919-12-27
Applicant: JOHN POSTMA
Inventor： JOHN POSTMA
IPC: B67C9/00
CPC classification number: B67B7/24
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