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发明名称
NUMMERNSCHALTER FUER FERNSPRECHSELBSTWAEHLGERAETE.
摘要
申请公布号
DE1839133(U)
申请公布日期
1961.10.12
申请号
DE195600B7926U
申请日期
1956.12.07
申请人
RICHARD BOSSE & CO.
发明人
分类号
主分类号
代理机构
代理人
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