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发明名称
SYSTEM OF TARRIFFING OF MULTI-ADDRESS CONNECTIONS
摘要
申请公布号
PL128002(B1)
申请公布日期
1983.12.31
申请号
PL19800225640
申请日期
1980.07.12
申请人
发明人
分类号
H04M;H04M15/00;(IPC1-7):H04M15/00
主分类号
H04M
代理机构
代理人
主权项
地址
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