Abschlammventil,申请号DE1932G082232D-传众专利搜索

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发明名称	Abschlammventil
摘要
申请公布号	DE581520(C)	申请公布日期	1933.07.28
申请号	DE1932G082232D	申请日期	1932.03.23
申请人	DR.-ING. E. H. GUSTAV DE GRAHL	发明人
分类号	F22B37/54	主分类号	F22B37/54
代理机构		代理人
主权项
地址

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