Soot-extracting device for steam boilers,申请号GB19490005952-传众专利搜索

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发明名称	Soot-extracting device for steam boilers
摘要
申请公布号	GB669341(A)	申请公布日期	1952.04.02
申请号	GB19490005952	申请日期	1949.03.04
申请人	ROBERT KERR WALLACE	发明人
分类号	F28G13/00	主分类号	F28G13/00
代理机构		代理人
主权项
地址

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