Slide rule magnifiers,申请号US19530394085-传众专利搜索

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发明名称	Slide rule magnifiers
摘要
申请公布号	US2746347(A)	申请公布日期	1956.05.22
申请号	US19530394085	申请日期	1953.11.24
申请人	GAIRE PAUL E	发明人	GAIRE PAUL E.
分类号	G01B9/00;G06G1/04	主分类号	G01B9/00
代理机构		代理人
主权项
地址

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