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经营范围
发明名称
SYSTEM FOR SUPPLY OF A SUBSCRIBER TELEPHONE
摘要
申请公布号
PL153507(B2)
申请公布日期
1991.04.30
申请号
PL19870269246
申请日期
1987.12.03
申请人
发明人
分类号
H04M;H04M19/08;(IPC1-7):H04M19/08
主分类号
H04M
代理机构
代理人
主权项
地址
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