Waerme- und Gasaustauschvorrichtung mit ineinander angeordneten und umlaufenden, gelochten Trommeln,申请号DED552361D-传众专利搜索

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发明名称	Waerme- und Gasaustauschvorrichtung mit ineinander angeordneten und umlaufenden, gelochten Trommeln
摘要
申请公布号	DE552361(C)	申请公布日期	1932.06.13
申请号	DED552361D	申请日期	1930.11.05
申请人	HEINRICH KEIDEL;HANS KEIDEL	发明人
分类号	F28B3/08	主分类号	F28B3/08
代理机构		代理人
主权项
地址

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