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发明名称
VORRICHTUNG ZUR REGELUNG DES MENSCHENSTROMES IN DEN ZUGAENGEN VON BUNKERN, SCHUTZRAEUMEN OD. DGL.
摘要
申请公布号
DE1904731(U)
申请公布日期
1964.11.19
申请号
DE196400B6845U
申请日期
1964.03.20
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
分类号
主分类号
代理机构
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主权项
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