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发明名称
Kapselfoermiger akustischer Wandler fuer ansteckbare Zuleitungen oder Blattfederkontakte
摘要
申请公布号
DE1256263(B)
申请公布日期
1967.12.14
申请号
DE196500F7501
申请日期
1965.10.23
申请人
FERNSPRECH- UND SIGNALBAU LEHNER & CO. K. G.
发明人
ETZRODT HORST
分类号
H04M1/03;H04R1/06
主分类号
H04M1/03
代理机构
代理人
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