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发明名称
SOLID STATE KEYBOARD
摘要
申请公布号
GB1360742(A)
申请公布日期
1974.07.24
申请号
GB19720032887
申请日期
1972.07.13
申请人
ILLINOIS TOOL WORKS INC
发明人
分类号
G06F3/02;G06F3/023;H03K17/972;H03M11/22;H04L13/16;(IPC1-7):H03K17/80
主分类号
G06F3/02
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代理人
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