Slide rule accessory,申请号US19450613186-传众专利搜索

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发明名称	Slide rule accessory
摘要
申请公布号	US2469221(A)	申请公布日期	1949.05.03
申请号	US19450613186	申请日期	1945.08.28
申请人	ADILETTA JOSEPH G	发明人	ADILETTA JOSEPH G.
分类号	G06G1/04	主分类号	G06G1/04
代理机构		代理人
主权项
地址

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