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发明名称
SUBSCRIBERS' SETS.
摘要
申请公布号
IE16146(L)
申请公布日期
1940.01.22
申请号
IED16146
申请日期
1939.06.13
申请人
ASSOCIATED ELECTRIC LABORATORIES INC.
发明人
分类号
H04M1/74;(IPC1-7):H04M1/74
主分类号
H04M1/74
代理机构
代理人
主权项
地址
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