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经营范围
发明名称
Iris diaphragm
摘要
申请公布号
GB960238(A)
申请公布日期
1964.06.10
申请号
GB19610039767
申请日期
1961.11.07
申请人
MEOPTA
发明人
分类号
G03B9/08
主分类号
G03B9/08
代理机构
代理人
主权项
地址
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