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发明名称
Camera shutter mechanism with focusing stop
摘要
申请公布号
US2483025(A)
申请公布日期
1949.09.27
申请号
US19460662343
申请日期
1946.04.15
申请人
HEX OPTICAL COMPANY
发明人
SCHWARZ ALFRED
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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