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经营范围
发明名称
LIQUID CRYSTAL PANEL
摘要
PURPOSE:Deterioration of liquid crystals used for liquid crystal watches, etc. is prevented by controlling the quantity of light incidence through the use of the photochromic phenomena of glass.
申请公布号
JPS539134(A)
申请公布日期
1978.01.27
申请号
JP19760083306
申请日期
1976.07.13
申请人
SEIKO INSTR & ELECTRONICS
发明人
NATORI SHIYOUHEI
分类号
G09F9/30;G02F1/1335
主分类号
G09F9/30
代理机构
代理人
主权项
地址
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