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公开(公告)号:US2541100A
公开(公告)日:1951-02-13
申请号:US2169548
申请日:1948-04-17
Applicant: INT STANDARD ELECTRIC CORP
Inventor: HARLEY REEVES ALEC
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公开(公告)号:US2495768A
公开(公告)日:1950-01-31
申请号:US1908848
申请日:1948-04-05
Applicant: INT STANDARD ELECTRIC CORP
Inventor: HARLEY REEVES ALEC
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公开(公告)号:US2431344A
公开(公告)日:1947-11-25
申请号:US52339744
申请日:1944-02-22
Applicant: INT STANDARD ELECTRIC CORP
Inventor: HARLEY REEVES ALEC
IPC: G01S7/282
CPC classification number: G01S7/282
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