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公开(公告)号:US2787190A
公开(公告)日:1957-04-02
申请号:US44407654
申请日:1954-07-19
Applicant: INT STANDARD ELECTRIC CORP
Inventor: SWIFT MCWHIRTER ERIC MALCOLM , BENEDICT OST STANLEY
IPC: G06K1/12
CPC classification number: G06K1/126
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公开(公告)号:US2860286A
公开(公告)日:1958-11-11
申请号:US40244554
申请日:1954-01-06
Applicant: INT STANDARD ELECTRIC CORP
Inventor: BENEDICT OST STANLEY
IPC: H03K29/00
CPC classification number: H03K29/00
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3.
公开(公告)号:US2785388A
公开(公告)日:1957-03-12
申请号:US47397254
申请日:1954-12-08
Applicant: INT STANDARD ELECTRIC CORP
Inventor: SWIFT MCWHIRTER ERIC MALCOLM , BENEDICT OST STANLEY
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