Improvements in or relating to articulated joints for electric fittings,申请号GB19370014963-传众专利搜索

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发明名称	Improvements in or relating to articulated joints for electric fittings
摘要
申请公布号	GB495207(A)	申请公布日期	1938.11.09
申请号	GB19370014963	申请日期	1937.05.29
申请人	HAROLD CYRIL COOPER	发明人
分类号	F21V21/116;F21V21/26	主分类号	F21V21/116
代理机构		代理人
主权项
地址

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