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经营范围
发明名称
Replaceable front lens assembly for a gaussian dual optical objective system
摘要
申请公布号
US2796002(A)
申请公布日期
1957.06.18
申请号
US19540438174
申请日期
1954.06.21
申请人
JOS. SCHNEIDER & CO.
发明人
KLEMT GUNTER
分类号
G02B15/00
主分类号
G02B15/00
代理机构
代理人
主权项
地址
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