Electric hot plate,申请号US19380231630-传众专利搜索

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法人/股东/高管

发明名称	Electric hot plate
摘要
申请公布号	US2249476(A)	申请公布日期	1941.07.15
申请号	US19380231630	申请日期	1938.09.26
申请人	KNIGHT JOHN A	发明人	KNIGHT JOHN A.
分类号	H05B3/74	主分类号	H05B3/74
代理机构		代理人
主权项
地址

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