TAPE CASSETTE WITH ERASURE PREVENTION RECESSES AT THE REAR CORNERS,申请号CA19730180853-传众专利搜索

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发明名称	TAPE CASSETTE WITH ERASURE PREVENTION RECESSES AT THE REAR CORNERS
摘要
申请公布号	CA1017059(A)	申请公布日期	1977.09.06
申请号	CA19730180853	申请日期	1973.09.12
申请人	SONY CORPORATION	发明人	MATSUMOTO, ISAO;UMEDA, KENKICHI
分类号		主分类号
代理机构		代理人
主权项
地址

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