Steam boiler,申请号US19280282613-传众专利搜索

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发明名称	Steam boiler
摘要
申请公布号	US1820807(A)	申请公布日期	1931.08.25
申请号	US19280282613	申请日期	1928.06.04
申请人	JONES RUSSELL E	发明人	JONES RUSSELL E.
分类号	F22B17/02	主分类号	F22B17/02
代理机构		代理人
主权项
地址

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