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公开(公告)号:US2566436A
公开(公告)日:1951-09-04
申请号:US77937547
申请日:1947-10-11
Applicant: CLEVELAND DETROIT CORP
Inventor: WAITE CHARLES C
IPC: G07F13/06
CPC classification number: G07F13/065
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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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