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公开(公告)号：US2875276A
公开(公告)日：1959-02-24
申请号：US27857752
申请日：1952-03-26
Applicant: SOC NOUVELLE OUTIL RBV RADIO
Inventor： JACQUES DONNAY
IPC: H04N5/235
CPC classification number: H04N5/2354
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