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公开(公告)号:US2187868A
公开(公告)日:1940-01-23
申请号:US19791838
申请日:1938-03-24
Applicant: SWEITZER CHARLES W
Inventor: SWEITZER CHARLES W
IPC: B67D1/00
CPC classification number: B67D1/0007
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公开(公告)号:US2105339A
公开(公告)日:1938-01-11
申请号:US12346037
申请日:1937-02-01
Applicant: SWEITZER CHARLES W
Inventor: SWEITZER CHARLES W
CPC classification number: B67D1/02 , B67D2210/00131
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