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发明名称
Telephone instrument
摘要
申请公布号
US3069508(A)
申请公布日期
1962.12.18
申请号
US19590807827
申请日期
1959.04.21
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
BOERYD ARNE GOSTA TORILD;LINDBACK ULF ROBERT OSCARSON;FREDRIKSSON WALTER EMANUEL;MITNITZKY INGEMAR
分类号
H04M;H04M1/62
主分类号
H04M
代理机构
代理人
主权项
地址
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