Automatic instantaneous electric water heater,申请号US19450617071-传众专利搜索

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发明名称	Automatic instantaneous electric water heater
摘要
申请公布号	US2474637(A)	申请公布日期	1949.06.28
申请号	US19450617071	申请日期	1945.09.18
申请人	PITTS JR JOHN E	发明人	JR. JOHN E. PITTS,
分类号	F24H1/10	主分类号	F24H1/10
代理机构		代理人
主权项
地址

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