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发明名称
Wechselsprechanlage
摘要
申请公布号
DE1171019(B)
申请公布日期
1964.05.27
申请号
DE1962L042546
申请日期
1962.07.26
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
BARTELS WOLFGANG
分类号
H04M9/00
主分类号
H04M9/00
代理机构
代理人
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地址
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