Zeichendreieck.,申请号CHD260881-传众专利搜索

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发明名称	Zeichendreieck.
摘要
申请公布号	CH260881(A)	申请公布日期	1949.04.15
申请号	CHD260881	申请日期	1947.09.03
申请人	GUT,OTTO	发明人	GUT,OTTO
分类号	B43L7/027	主分类号	B43L7/027
代理机构		代理人
主权项
地址

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