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发明名称
Self-focusing reflector device
摘要
申请公布号
US2120524(A)
申请公布日期
1938.06.14
申请号
US19290389338
申请日期
1929.08.30
申请人
AMERICAN GASACCUMULATOR COMPANY
发明人
LUCE RICHARD W.
分类号
G02B5/126
主分类号
G02B5/126
代理机构
代理人
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