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发明名称
TRIPLET OBJECTIVE
摘要
申请公布号
US3601474(A)
申请公布日期
1971.08.24
申请号
USD3601474
申请日期
1970.07.13
申请人
ERNST LEITZ GMBH.
发明人
GEORG KNETSCH
分类号
G02B9/12;(IPC1-7):G02B9/14
主分类号
G02B9/12
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