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经营范围
发明名称
Concentrically adjustable objective diaphragem
摘要
申请公布号
US2011002(A)
申请公布日期
1935.08.13
申请号
US19340735330
申请日期
1934.07.16
申请人
ERNST LEITZ, OPTISCHE WERKE, G. M. B. H.
发明人
JR. ERNST LEITZ,
分类号
G03B33/10
主分类号
G03B33/10
代理机构
代理人
主权项
地址
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