Process of making a lamp shade,申请号US19540412019-传众专利搜索

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发明名称	Process of making a lamp shade
摘要
申请公布号	US2813053(A)	申请公布日期	1957.11.12
申请号	US19540412019	申请日期	1954.02.23
申请人	DON J. STEFANI;ROY I. STEFANI	发明人	TUOMALA LEON A.
分类号	F21V1/00	主分类号	F21V1/00
代理机构		代理人
主权项
地址

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