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发明名称
Photographic exposure meter
摘要
申请公布号
US2436966(A)
申请公布日期
1948.03.02
申请号
US19450619463
申请日期
1945.10.01
申请人
ANTOINE LEGRIS JOSEPH
发明人
LEGRIS JOSEPH ANTOINE
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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