Ammonia containing water heating unit,申请号US19470780794-传众专利搜索

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发明名称	Ammonia containing water heating unit
摘要
申请公布号	US2645209(A)	申请公布日期	1953.07.14
申请号	US19470780794	申请日期	1947.10.20
申请人	DIGBY THOMAS J	发明人	DIGBY THOMAS J.
分类号	F24H1/00	主分类号	F24H1/00
代理机构		代理人
主权项
地址

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