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发明名称
Schaltungsanordnung zur Anrechnung von Gebuehren in Fernmelde-, insbesondere Fernsprechanlagen
摘要
申请公布号
DE666831(C)
申请公布日期
1938.10.29
申请号
DE1935S118642D
申请日期
1935.06.14
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
分类号
H04M15/38
主分类号
H04M15/38
代理机构
代理人
主权项
地址
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