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公开(公告)号：US2700066A
公开(公告)日：1955-01-18
申请号：US12220249
申请日：1949-10-19
Applicant: SOC NOUVELLE OUTIL RBV RADIO
Inventor： ARMAND VORMS
IPC: H04N5/235
CPC classification number: H04N5/235
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