Verfahren zur Gewinnung harter Koerper aus nichtmetallischen, anorganischen oder mineralischen Stoffen,申请号DE1924S067397D-传众专利搜索

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发明名称	Verfahren zur Gewinnung harter Koerper aus nichtmetallischen, anorganischen oder mineralischen Stoffen
摘要
申请公布号	DE520840(C)	申请公布日期	1931.03.14
申请号	DE1924S067397D	申请日期	1924.10.18
申请人	SIEMENS & HALSKE AKT.-GES.	发明人	GERDIEN DR. HANS
分类号	C04B32/00	主分类号	C04B32/00
代理机构		代理人
主权项
地址

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