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发明名称
LIQUID CRYSTAL OPTICAL ELEMENT AND ITS MANUFACTURE
摘要
申请公布号
JPH0440416(A)
申请公布日期
1992.02.10
申请号
JP19900147347
申请日期
1990.06.07
申请人
ASAHI GLASS CO LTD
发明人
KORISHIMA TOMONORI;KUMAI YUTAKA;NAKAGAWA YUTAKA
分类号
G02F1/1333;G02F1/1343
主分类号
G02F1/1333
代理机构
代理人
主权项
地址
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