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经营范围
发明名称
SYMMETRIC ELECTROCHROMIC DISPLAY DEVICE
摘要
申请公布号
JPH022527(A)
申请公布日期
1990.01.08
申请号
JP19880145717
申请日期
1988.06.15
申请人
HITACHI LTD
发明人
KANEKO HIROKO;MIYAKE SEIJI
分类号
G02F1/153;G09F9/30
主分类号
G02F1/153
代理机构
代理人
主权项
地址
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