Portable draftsman's case,申请号US19350040992-传众专利搜索

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发明名称	Portable draftsman's case
摘要
申请公布号	US2067309(A)	申请公布日期	1937.01.12
申请号	US19350040992	申请日期	1935.09.17
申请人	WILLIAM WOGAMAN MARTIN	发明人	WOGAMAN MARTIN WILLIAM
分类号	B43L13/00	主分类号	B43L13/00
代理机构		代理人
主权项
地址

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