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经营范围
发明名称
Varifocal photographic or cinematographic objective
摘要
申请公布号
US2844996(A)
申请公布日期
1958.07.29
申请号
US19560563355
申请日期
1956.02.03
申请人
JOS. SCHNEIDER & CO.
发明人
KLEMT GUNTER
分类号
G02B15/14
主分类号
G02B15/14
代理机构
代理人
主权项
地址
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