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发明名称
Graphics input tablet with three-dimensional data
摘要
申请公布号
US4798919(A)
申请公布日期
1989.01.17
申请号
US19880166957
申请日期
1988.03.11
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
MIESSLER, MILAN;PASCUAL, RAFAEL
分类号
G06F3/045;G06F3/033;(IPC1-7):G08C21/00
主分类号
G06F3/045
代理机构
代理人
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