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公开(公告)号:GR870760B
公开(公告)日:1987-09-21
申请号:GR870100760
申请日:1987-05-15
Applicant: SO RESPROM
Inventor: STOEV ILIZA GEORGIEV , LASAROV BORIS MIRTSCHEV , TSCHENKIN ATANAS PENTSCHEV
IPC: H04M3/06 , H04Q1/30