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发明名称
Masking arrangement for photographic apparatus
摘要
申请公布号
US2095815(A)
申请公布日期
1937.10.12
申请号
US19370120816
申请日期
1937.01.15
申请人
EASTMAN KODAK COMPANY
发明人
HOPKINS ROY S.
分类号
G03B27/465;G03B27/62
主分类号
G03B27/465
代理机构
代理人
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地址
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