Portable electric lighting apparatus,申请号US19310531419-传众专利搜索

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发明名称	Portable electric lighting apparatus
摘要
申请公布号	US1996389(A)	申请公布日期	1935.04.02
申请号	US19310531419	申请日期	1931.04.20
申请人	SMITH ROLAND L	发明人	SMITH ROLAND L.
分类号	F21S9/02	主分类号	F21S9/02
代理机构		代理人
主权项
地址

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