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发明名称
OPERATION DEVICE WITH LIQUID CRYSTAL FOR MACHINE GUARDING TERMINAL EQUIPMENT AND CONTRAST ADJUSTING METHOD
摘要
申请公布号
JPH10105106(A)
申请公布日期
1998.04.24
申请号
JP19960258125
申请日期
1996.09.30
申请人
NEC ENG LTD
发明人
HARAOKA HIROYUKI
分类号
G02F1/133;G09G3/18;(IPC1-7):G09G3/18
主分类号
G02F1/133
代理机构
代理人
主权项
地址
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