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发明名称
PHOTOELECTRIC UNSHARP-MASKING APPARATUS
摘要
申请公布号
CA644213(A)
申请公布日期
1962.07.03
申请号
CAD644213
申请日期
申请人
FAIRCHILD CAMERA AND INSTRUMENT CORPORATION
发明人
ALBERT BERGEN WELCH
分类号
主分类号
代理机构
代理人
主权项
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