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发明名称
Schaltungsanordnung zur Zeitzonenzaehlung in Fernmeldeanlagen, insbesondere Fernsprechanlagen
摘要
申请公布号
DE690345(C)
申请公布日期
1940.04.23
申请号
DE193801S0991D
申请日期
1938.02.25
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
LURK HANS-JOACHIM;BLOCH DIPL.-ING. FELIX
分类号
H04M15/10
主分类号
H04M15/10
代理机构
代理人
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