Submerged water heating device,申请号US19320646760-传众专利搜索

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发明名称	Submerged water heating device
摘要
申请公布号	US1987855(A)	申请公布日期	1935.01.15
申请号	US19320646760	申请日期	1932.12.12
申请人	BELL & GOSSETT COMPANY	发明人	JOHNSON FORREST A.
分类号	F24H1/52	主分类号	F24H1/52
代理机构		代理人
主权项
地址

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