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公开(公告)号：FR1143664A
公开(公告)日：1957-10-03
申请号：FR1143664D
申请日：1955-10-27
Applicant: SOC NOUVELLE OUTIL RBV RADIO
Inventor： BAILLY M , BENICHOU R , SEAILLES N , ZWOBADA R
IPC: H01J17/04
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