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发明名称
METHODS AND APPARATUS FOR DATA INPUT TO A COMPUTER
摘要
申请公布号
US3559170(A)
申请公布日期
1971.01.26
申请号
USD3559170
申请日期
1967.03.07
申请人
WILLIAM S. BARNES
发明人
WILLIAM S. BARNES
分类号
G06K7/016;(IPC1-7):G06K9/18
主分类号
G06K7/016
代理机构
代理人
主权项
地址
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