Straight edges for drafting boards and the like,申请号US19650428415-传众专利搜索

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发明名称	Straight edges for drafting boards and the like
摘要
申请公布号	US3283410(A)	申请公布日期	1966.11.08
申请号	US19650428415	申请日期	1965.01.27
申请人	TRUHON JOHN A	发明人	TRUHON JOHN A.
分类号	B43L13/04	主分类号	B43L13/04
代理机构		代理人
主权项
地址

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