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发明名称
Schaltungsanordnung fuer Fernsprechanlagen, insbesondere fuer Fernaemter
摘要
申请公布号
DE881376(C)
申请公布日期
1953.06.29
申请号
DE1941S010865D
申请日期
1941.07.24
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
LANGER MAX
分类号
H04M3/523
主分类号
H04M3/523
代理机构
代理人
主权项
地址
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