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公开(公告)号:US3503671A
公开(公告)日:1970-03-31
申请号:US3503671D
申请日:1967-04-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: KOMPFNER RUDOLF
CPC classification number: F16C32/0662 , G02F1/03 , G02F1/29
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公开(公告)号:US3503070A
公开(公告)日:1970-03-24
申请号:US3503070D
申请日:1969-04-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: KOMPFNER RUDOLF
CPC classification number: H01Q1/3233 , H01Q1/3216 , Y10S367/904
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