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发明名称
Telephone sub-station
摘要
申请公布号
US2915592(A)
申请公布日期
1959.12.01
申请号
US19560562541
申请日期
1956.01.31
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
THAMES HANS GOSTA
分类号
C22B1/10;H04M1/738
主分类号
C22B1/10
代理机构
代理人
主权项
地址
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