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发明名称
LIGHT VALVES
摘要
申请公布号
GB1586126(A)
申请公布日期
1981.03.18
申请号
GB19770021217
申请日期
1977.05.19
申请人
RESEARCH FRONTIERS INC
发明人
分类号
G02F1/17;(IPC1-7):G02F1/17
主分类号
G02F1/17
代理机构
代理人
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地址
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