HILFSVORRICHTUNG ZUM ERLERNEN DES BLINDSCHREIBENS AUF SCHREIBMASCHINEN.,申请号DE195900H2958U-传众专利搜索

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发明名称	HILFSVORRICHTUNG ZUM ERLERNEN DES BLINDSCHREIBENS AUF SCHREIBMASCHINEN.
摘要
申请公布号	DE1803729(U)	申请公布日期	1960.01.07
申请号	DE195900H2958U	申请日期	1959.09.29
申请人	HERMAG HERMES-SCHREIBMASCHINEN A.G.	发明人
分类号	G09B13/04	主分类号	G09B13/04
代理机构		代理人
主权项
地址

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