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经营范围
发明名称
Method and tool for graphically defining an expression
摘要
申请公布号
GB9922920(D0)
申请公布日期
1999.12.01
申请号
GB19990022920
申请日期
1999.09.29
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G06F17/30
主分类号
G06F17/30
代理机构
代理人
主权项
地址
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