Flue cleaner,申请号US19330660479-传众专利搜索

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发明名称	Flue cleaner
摘要
申请公布号	US1979167(A)	申请公布日期	1934.10.30
申请号	US19330660479	申请日期	1933.03.13
申请人	MICHAEL MATHIAS	发明人	MATHIAS MICHAEL
分类号	F23J3/02	主分类号	F23J3/02
代理机构		代理人
主权项
地址

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