Art of heating steam boilers and similar apparatus,申请号US19300422498-传众专利搜索

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发明名称	Art of heating steam boilers and similar apparatus
摘要
申请公布号	US1916172(A)	申请公布日期	1933.06.27
申请号	US19300422498	申请日期	1930.01.21
申请人	ERNST KOENEMANN	发明人	KOENEMANN ERNST
分类号	C09K5/12;F22B1/06	主分类号	C09K5/12
代理机构		代理人
主权项
地址

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