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公开(公告)号:US2836663A
公开(公告)日:1958-05-27
申请号:US35002253
申请日:1953-04-21
Applicant: MOTOROLA INC
Inventor: WILLIAM BLINOFF , PEARSON LEONARD E , VENDITTI FRED P
IPC: H04B1/20
CPC classification number: H04B1/20
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公开(公告)号:US2833867A
公开(公告)日:1958-05-06
申请号:US37951853
申请日:1953-09-11
Applicant: MOTOROLA INC
Inventor: WILLIAM BLINOFF , GUTSCHICK LESTER C , WRZEPSKI JOSEPH E , VENDITTI FRED P
IPC: H04R19/06
CPC classification number: H04R19/06
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公开(公告)号:US2520985A
公开(公告)日:1950-09-05
申请号:US78128247
申请日:1947-10-22
Applicant: MOTOROLA INC
Inventor: WILLIAMS FRED B , HILL FRED P , WILLIAM BLINOFF
CPC classification number: H01Q1/3291 , H01Q21/205
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