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发明名称
TAPE CASSETTE WITH SEALED LIGHT APERTURE
摘要
申请公布号
US5075810(A)
申请公布日期
1991.12.24
申请号
US19910636564
申请日期
1991.01.07
申请人
SONY CORPORATION
发明人
IWAHASHI, YUJI
分类号
G11B23/30;G11B23/087;(IPC1-7):G11B23/02
主分类号
G11B23/30
代理机构
代理人
主权项
地址
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