Zeichendreieck,申请号DE1931R083498D-传众专利搜索

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发明名称	Zeichendreieck
摘要
申请公布号	DE580055(C)	申请公布日期	1933.07.05
申请号	DE1931R083498D	申请日期	1931.12.05
申请人	CHRISTOF KAMMERER	发明人
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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