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发明名称
Hyperboloidischer Reflektor fuer die Reflexion von Licht-, Schall-, Waerme- o. dgl. Wellen
摘要
申请公布号
DE637871(C)
申请公布日期
1936.11.07
申请号
DE1929H124835D
申请日期
1929.12.31
申请人
BRUNO HEYMANN
发明人
分类号
F21V7/07
主分类号
F21V7/07
代理机构
代理人
主权项
地址
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