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发明名称
Finger piece mounting
摘要
申请公布号
US2195897(A)
申请公布日期
1940.04.02
申请号
US19370142236
申请日期
1937.05.12
申请人
SHURON OPTICAL COMPANY, INC.
发明人
NELSON JOHN N.
分类号
G02C3/00;G02C5/12
主分类号
G02C3/00
代理机构
代理人
主权项
地址
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