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发明名称
FLIEHKRAFTREGLER FUER NUMMERNSCHALTER IN FERNSPRECHGERAETEN.
摘要
申请公布号
DE1973455(U)
申请公布日期
1967.11.30
申请号
DE196700M9884U
申请日期
1967.09.06
申请人
FRIEDRICH MERK TELEFONBAU G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
主权项
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