VORRICHTUNG ZUR HERSTELLUNG VON SCHREIB- UND MALSTIFTEN.,申请号DE19531731912U-传众专利搜索

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发明名称	VORRICHTUNG ZUR HERSTELLUNG VON SCHREIB- UND MALSTIFTEN.
摘要
申请公布号	DE1731912(U)	申请公布日期	1956.10.11
申请号	DE19531731912U	申请日期	1953.07.06
申请人	EDUARD ROLAND	发明人	EDUARD ROLAND
分类号		主分类号
代理机构		代理人
主权项
地址

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