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发明名称
METHOD OF CENTRALIZED REGISTERING OF TELEPHONE CALL COST
摘要
申请公布号
SU684773(A1)
申请公布日期
1979.09.05
申请号
SU19762435545
申请日期
1976.12.27
申请人
RIZHSKIJ G ELEKTROTEKHNICHESKIJ ZAVOD VEF IM.V.I.LENINA
发明人
ZHARZHAVSKIJ SAMUIL S,SU;KRESLOV GENNADIJ S,SU;BELMANIS OLGERT A,SU
分类号
H04M15/00;(IPC1-7):H04M15/00
主分类号
H04M15/00
代理机构
代理人
主权项
地址
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