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经营范围
发明名称
KEY USING TACT SWITCH W/DIFFERENT HEIGHT
摘要
申请公布号
KR920003481(Y1)
申请公布日期
1992.05.30
申请号
KR19890015394U
申请日期
1989.10.23
申请人
HYUN DAI ELECTRONICS IND. CO., LTD.
发明人
WON, CHANG - YUN
分类号
G06F3/02;(IPC1-7):G06F3/02
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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