Electrical water-heating apparatus having electrodes,申请号US19280287222-传众专利搜索

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法人/股东/高管

发明名称	Electrical water-heating apparatus having electrodes
摘要
申请公布号	US1788669(A)	申请公布日期	1931.01.13
申请号	US19280287222	申请日期	1928.06.21
申请人	OTTO GRAETZER	发明人	GRAETZER OTTO
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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