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发明名称
KEYBOARD CAPACITANCE MEMBRANE SWITCHCORE
摘要
申请公布号
GB2226903(A)
申请公布日期
1990.07.11
申请号
GB19890020209
申请日期
1989.09.07
申请人
W H * BRADY CO
发明人
NORMAN * GRATKE
分类号
H03K17/98
主分类号
H03K17/98
代理机构
代理人
主权项
地址
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