Copy slide rule,申请号US19430479175-传众专利搜索

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发明名称	Copy slide rule
摘要
申请公布号	US2359837(A)	申请公布日期	1944.10.10
申请号	US19430479175	申请日期	1943.03.15
申请人	FREEDLANDER HARRY A	发明人	FREEDLANDER HARRY A.
分类号	B41B11/00	主分类号	B41B11/00
代理机构		代理人
主权项
地址

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