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发明名称
Improvements in and relating to gauss-double objectives
摘要
申请公布号
GB765548(A)
申请公布日期
1957.01.09
申请号
GB19550007788
申请日期
1955.03.17
申请人
MARGARETE CAMILLA SCHNEIDER
发明人
分类号
G02B9/34
主分类号
G02B9/34
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代理人
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