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公开(公告)号：US3327289A
公开(公告)日：1967-06-20
申请号：US28636663
申请日：1963-06-07
Applicant: RCA CORP
Inventor： EUGENE GOLDSTINE HALLAN , HENRY WOLFF JACK , ARNOLD CHARLES G
IPC: G08B26/00
CPC classification number: G08B26/002
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