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发明名称
Exposure regulating device
摘要
申请公布号
US2933011(A)
申请公布日期
1960.04.19
申请号
US19550514463
申请日期
1955.06.10
申请人
AGFA AKTIENGESELLSCHAFT
发明人
WICK RICHARD;BIEDERMANN FRIEDRICH
分类号
G03B27/72
主分类号
G03B27/72
代理机构
代理人
主权项
地址
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