FOTOELEKTRISCHE LESEEINRICHTUNG FUER BLINDE.,申请号DE194900H0384U-传众专利搜索

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发明名称	FOTOELEKTRISCHE LESEEINRICHTUNG FUER BLINDE.
摘要
申请公布号	DE1629316(U)	申请公布日期	1951.10.11
申请号	DE194900H0384U	申请日期	1949.11.07
申请人	DR.-ING. RUDOLF HELL	发明人	DR.-ING. RUDOLF HELL
分类号		主分类号
代理机构		代理人
主权项
地址

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