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发明名称
Quality degradation through compression-decompression
摘要
申请公布号
EP0889470(B1)
申请公布日期
2007.09.26
申请号
EP19980111443
申请日期
1998.06.22
申请人
AT&T CORP.
发明人
LACY, JOHN BLAKEWAY;SNYDER, JAMES H.
分类号
G11B20/00;H04B1/66
主分类号
G11B20/00
代理机构
代理人
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