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发明名称
Microscope eye piece tube
摘要
申请公布号
US1837993(A)
申请公布日期
1931.12.22
申请号
US19300436270
申请日期
1930.03.17
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
PATTERSON WILLIAM L.
分类号
G02B21/00
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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