ZWEISTUFIGE SCHREIB LESEVERSTAERKER,申请号DE19631449315-传众专利搜索

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发明名称	ZWEISTUFIGE SCHREIB LESEVERSTAERKER
摘要
申请公布号	DE1449315(B2)	申请公布日期	1971.03.18
申请号	DE19631449315	申请日期	1963.09.04
申请人		发明人
分类号	H04N5/91;(IPC1-7):G11B5/44	主分类号	H04N5/91
代理机构		代理人
主权项
地址

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