Защитный колпак для электрических ламп накаливания,申请号SU19290058109-传众专利搜索

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发明名称	Защитный колпак для электрических ламп накаливания
摘要
申请公布号	SU18837(A1)	申请公布日期	1931.01.31
申请号	SU19290058109	申请日期	1929.11.09
申请人	CHERNYSHEV M.F.	发明人	CHERNYSHEV M.F.
分类号	F21V25/04	主分类号	F21V25/04
代理机构		代理人
主权项
地址

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