Water wall boiler,申请号US19350039693-传众专利搜索

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发明名称	Water wall boiler
摘要
申请公布号	US2075985(A)	申请公布日期	1937.04.06
申请号	US19350039693	申请日期	1935.09.09
申请人	HEALD GEORGE W;POPHAM AUDREY J	发明人	HEALD GEORGE W.;POPHAM AUDREY J.
分类号	F22B21/34	主分类号	F22B21/34
代理机构		代理人
主权项
地址

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