Improvements in or relating to the manufacture of electric lighting fittings,申请号GB19470021657-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of electric lighting fittings
摘要
申请公布号	GB630764(A)	申请公布日期	1949.10.20
申请号	GB19470021657	申请日期	1947.08.07
申请人	PETER MORTON HAMLYN	发明人
分类号	F21S4/00;F21V21/06;F21V35/00	主分类号	F21S4/00
代理机构		代理人
主权项
地址

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