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发明名称
Schaltungsanordnung fuer die selbsttaetige Daueraufladung von Sammlerbatterien fuer die Speisung von Fernsprech- oder Fernmeldeanlagen
摘要
申请公布号
DE644134(C)
申请公布日期
1937.04.24
申请号
DED644134D
申请日期
1930.06.19
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
分类号
H02J7/02;H04M19/00
主分类号
H02J7/02
代理机构
代理人
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地址
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