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经营范围
发明名称
RURAL TELEPHONE SYSTEMS.
摘要
申请公布号
IE16870(L)
申请公布日期
1945.07.12
申请号
IE19440000287
申请日期
1944.10.13
申请人
AUTOMATIC TELEPHONE & ELECTRIC CO. LTD.
发明人
分类号
H04M3/60;(IPC1-7):H04M3/60
主分类号
H04M3/60
代理机构
代理人
主权项
地址
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