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发明名称
WOHNUNGSSPRECHSTELLE FUER WECHSELSPRECHANLAGE.
摘要
申请公布号
DE1881152(U)
申请公布日期
1963.10.24
申请号
DE196300H3890U
申请日期
1963.02.02
申请人
HANDELSKONTOR HEIDER 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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