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发明名称
Light valve
摘要
申请公布号
US2997922(A)
申请公布日期
1961.08.29
申请号
US19580730654
申请日期
1958.04.24
申请人
KAPRELIAN EDWARD K
发明人
KAPRELIAN EDWARD K.
分类号
G02B26/00;G02B26/02;G03B9/08
主分类号
G02B26/00
代理机构
代理人
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