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公开(公告)号:US2215029A
公开(公告)日:1940-09-17
申请号:US26565839
申请日:1939-04-03
Applicant: KNAPP MONARCH CO
Inventor: STANLEY BRAUN GWILYM
IPC: D06F75/08
CPC classification number: D06F75/08
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公开(公告)号:US2237023A
公开(公告)日:1941-04-01
申请号:US26565739
申请日:1939-04-03
Applicant: KNAPP MONARCH CO
Inventor: STANLEY BRAUN GWILYM
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