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发明名称
Aufgeteilter Waehler fuer Fernsprechanlagen
摘要
申请公布号
DE655232(C)
申请公布日期
1938.01.11
申请号
DE1932F073016D
申请日期
1932.03.12
申请人
TELEFONBAU;NORMALZEIT LEHNER & CO.
发明人
SIENANG RICHARD
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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