Improvements in electrical heating apparatus,申请号GB19330019181-传众专利搜索

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发明名称	Improvements in electrical heating apparatus
摘要
申请公布号	GB420761(A)	申请公布日期	1934.12.07
申请号	GB19330019181	申请日期	1933.07.06
申请人	GEORGE HENRY COLLINS;HERBERT FRANCIS COLLINS	发明人
分类号	D06F75/24	主分类号	D06F75/24
代理机构		代理人
主权项
地址

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