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发明名称
FERNSPRECHAPPARAT.
摘要
申请公布号
DE1974660(U)
申请公布日期
1967.12.14
申请号
DE196700T2920U
申请日期
1967.08.10
申请人
TELEFONBAU UND NORMALZEIT G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
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