SISTEMA DI ALTA SICUREZZA DI REGISTRAZIONE O DI RESTITUZIONE DI INFORMAZIONI DIGITALI SU NASTRO MAGNETICO IN CASSETTE,申请号IT19740028541-传众专利搜索

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发明名称	SISTEMA DI ALTA SICUREZZA DI REGISTRAZIONE O DI RESTITUZIONE DI INFORMAZIONI DIGITALI SU NASTRO MAGNETICO IN CASSETTE
摘要
申请公布号	IT1022975(B)	申请公布日期	1978.04.20
申请号	IT19740028541	申请日期	1974.10.17
申请人	CENTRE NAT ETD TELECOMM;SCHLUMBERGER INSTR SYSTEMES	发明人
分类号	G11B20/18;(IPC1-7):G11B/	主分类号	G11B20/18
代理机构		代理人
主权项
地址

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