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发明名称
Eyepiece for telescopes
摘要
申请公布号
US2620706(A)
申请公布日期
1952.12.09
申请号
US19480050832
申请日期
1948.09.23
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
LEVIN AARON A.
分类号
G02B25/00
主分类号
G02B25/00
代理机构
代理人
主权项
地址
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