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公开(公告)号：US2485556A
公开(公告)日：1949-10-25
申请号：US48719343
申请日：1943-05-15
Applicant: INT STANDARD ELECTRIC CORP
Inventor： JOSEPH BION
CPC classification number: H04N1/04 , H04N1/00103 , H04N2201/0426
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