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公开(公告)号：US2646673A
公开(公告)日：1953-07-28
申请号：US12232149
申请日：1949-10-19
Applicant: GEN ELECTRIC
Inventor： MCCARTY WALTER P
IPC: D06F33/02
CPC classification number: D06F33/02
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公开(公告)号：US2687633A
公开(公告)日：1954-08-31
申请号：US19014450
申请日：1950-10-14
Applicant: GEN ELECTRIC
Inventor： SHARP JOHN C , MCCARTY WALTER P
IPC: D06F39/12
CPC classification number: D06F39/12
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