MAGNETIC RECORDING DOCUMENT HAVING VALIDATING MEANS,申请号CAD902017-传众专利搜索

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发明名称	MAGNETIC RECORDING DOCUMENT HAVING VALIDATING MEANS
摘要
申请公布号	CA902017(A)	申请公布日期	1972.06.06
申请号	CAD902017	申请日期
申请人	MINNESOTA MINING AND MANUFACTURING COMPANY	发明人	JOHN D. HOLM;PETER J. VOGELGESANG
分类号		主分类号
代理机构		代理人
主权项
地址

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