METHOD FOR PROTECTING A FLEXIBLE RECORD DISC AND DISC SO PROTECTED,申请号GB19750026038-传众专利搜索

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发明名称	METHOD FOR PROTECTING A FLEXIBLE RECORD DISC AND DISC SO PROTECTED
摘要
申请公布号	GB1507214(A)	申请公布日期	1978.04.12
申请号	GB19750026038	申请日期	1975.06.18
申请人	THOMSON BRANDT	发明人
分类号	G11B7/24;(IPC1-7):G11B3/70;G11B11/00	主分类号	G11B7/24
代理机构		代理人
主权项
地址

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