Verfahren zum Herstellen metallischer Hohlspiegel,申请号DE1935K140137D-传众专利搜索

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发明名称	Verfahren zum Herstellen metallischer Hohlspiegel
摘要
申请公布号	DE683621(C)	申请公布日期	1939.11.10
申请号	DE1935K140137D	申请日期	1935.11.19
申请人	DR.-ING. GUSTAV KOEGEL	发明人
分类号	F21V7/22	主分类号	F21V7/22
代理机构		代理人
主权项
地址

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