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发明名称
Schaltungsanordnung fuer Freisprechanlagen
摘要
申请公布号
DE1150414(B)
申请公布日期
1963.06.20
申请号
DE1961S075865
申请日期
1961.09.21
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
HERZSPRUNG ALFRED
分类号
H04M1/60
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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