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经营范围
发明名称
Focal plane shutter
摘要
申请公布号
US2970529(A)
申请公布日期
1961.02.07
申请号
US19570633579
申请日期
1957.01.11
申请人
N. V. OPTISCHE INDUSTRIE "DE OUDE DELFT"
发明人
NIEUWENHOVE HENDRICUS JACOBUS CORNELIS
分类号
G03B9/30
主分类号
G03B9/30
代理机构
代理人
主权项
地址
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