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经营范围
发明名称
DATA BLOCK UPDATING SYSTEM
摘要
申请公布号
JPS6428755(A)
申请公布日期
1989.01.31
申请号
JP19870183722
申请日期
1987.07.24
申请人
HITACHI LTD
发明人
NAKAMURA KATSUNORI;KIJIRO SHIGERU;SHIRAYANAGI YOSHIRO;KURANO AKIRA
分类号
C07F9/58;G06F12/08
主分类号
C07F9/58
代理机构
代理人
主权项
地址
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