Dual purpose drafting machine,申请号US19650486950-传众专利搜索

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发明名称	Dual purpose drafting machine
摘要
申请公布号	US3343267(A)	申请公布日期	1967.09.26
申请号	US19650486950	申请日期	1965.09.13
申请人	UNIVERSAL DRAFTING SYSTEMS, INC.	发明人	WOLF JESSE DAVID
分类号	B43L13/08	主分类号	B43L13/08
代理机构		代理人
主权项
地址

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