COVER FOR SELECTIVELY EXPOSING AN OPENING IN A CASSETTE,申请号GB19700041845-传众专利搜索

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发明名称	COVER FOR SELECTIVELY EXPOSING AN OPENING IN A CASSETTE
摘要
申请公布号	GB1283649(A)	申请公布日期	1972.08.02
申请号	GB19700041845	申请日期	1970.09.01
申请人	SONY CORPORATION	发明人
分类号	G03B23/02;G11B23/04;G11B23/087	主分类号	G03B23/02
代理机构		代理人
主权项
地址

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