Boiler flue cleaner,申请号US19450629934-传众专利搜索

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发明名称	Boiler flue cleaner
摘要
申请公布号	US2465236(A)	申请公布日期	1949.03.22
申请号	US19450629934	申请日期	1945.11.21
申请人	LADE FREDERICK L;SIMMONS CHARLES J	发明人	LADE FREDERICK L.;SIMMONS CHARLES J.
分类号	F23J3/02;F28G1/16	主分类号	F23J3/02
代理机构		代理人
主权项
地址

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