Adjustable support for electric lamps,申请号US19270231047-传众专利搜索

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发明名称	Adjustable support for electric lamps
摘要
申请公布号	US1761832(A)	申请公布日期	1930.06.03
申请号	US19270231047	申请日期	1927.11.04
申请人	PETTER JOHANSSON JOHAN	发明人	JOHANSSON JOHAN PETTER
分类号	F21V21/14	主分类号	F21V21/14
代理机构		代理人
主权项
地址

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