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公开(公告)号:US2542067A
公开(公告)日:1951-02-20
申请号:US69583646
申请日:1946-09-10
Applicant: CLEVELAND DETROIT CORP
Inventor: WAITE CHARLES C , BENDER PHILIP F
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公开(公告)号:US2541787A
公开(公告)日:1951-02-13
申请号:US73735447
申请日:1947-03-26
Applicant: CLEVELAND DETROIT CORP
Inventor: STEWART JAMES E
IPC: G07F11/54
CPC classification number: G07F11/54
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公开(公告)号:US2541757A
公开(公告)日:1951-02-13
申请号:US62436545
申请日:1945-10-25
Applicant: CLEVELAND DETROIT CORP
Inventor: ALFRED GRIER JOHN
CPC classification number: B67D1/0057 , B01F3/04808 , B01F15/066 , B01F2015/061 , Y10S261/07
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