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发明名称
Eyeshade
摘要
申请公布号
US1911842(A)
申请公布日期
1933.05.30
申请号
US19320644963
申请日期
1932.11.30
申请人
NAULTY JAMES N
发明人
NAULTY JAMES N.
分类号
G02C7/16
主分类号
G02C7/16
代理机构
代理人
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