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发明名称
OPTICAL OBJECTIVE
摘要
申请公布号
CA434390(A)
申请公布日期
1946.04.23
申请号
CAD434390
申请日期
申请人
TAYLOR, TAYLOR AND HOBSON LIMITED
发明人
HAROLD HORACE HOPKINS
分类号
主分类号
代理机构
代理人
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