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发明名称
VERFAHREN ZUM VERSTECKEN VON DATEN
摘要
申请公布号
DE69739969(D1)
申请公布日期
2010.10.07
申请号
DE19976039969
申请日期
1997.02.13
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
SHIMIZU, SHUICHI;MORIMOTO, NORISHIGE;KOBAYASHI, MEI;NUMAO, MASAYUKI
分类号
H04N1/387;G06T1/00;G09C5/00;H04N1/32;H04N1/44
主分类号
H04N1/387
代理机构
代理人
主权项
地址
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