Improvements in electric heating units,申请号GB19470020713-传众专利搜索

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发明名称	Improvements in electric heating units
摘要
申请公布号	GB627670(A)	申请公布日期	1949.08.12
申请号	GB19470020713	申请日期	1947.07.31
申请人	JOHN ROBERT FRANCIS TERRELL	发明人
分类号	H05B3/48	主分类号	H05B3/48
代理机构		代理人
主权项
地址

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