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公开(公告)号：US3361990A
公开(公告)日：1968-01-02
申请号：US37696064
申请日：1964-06-22
Applicant: BELL TELEPHONE LABOR INC
Inventor： GORDON EUGENE J , LABUDA EDWARD F , WHITE ALAN D
IPC: H01S3/139
CPC classification number: H01S3/1396
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