Water heating system,申请号US19410385975-传众专利搜索

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法人/股东/高管

发明名称	Water heating system
摘要
申请公布号	US2266256(A)	申请公布日期	1941.12.16
申请号	US19410385975	申请日期	1941.03.31
申请人	MCGRAW ELECTRIC COMPANY	发明人	OSTERHELD CLARK M.
分类号	H05B1/02	主分类号	H05B1/02
代理机构		代理人
主权项
地址

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