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发明名称
Film and plate developing hanger
摘要
申请公布号
US2562942(A)
申请公布日期
1951.08.07
申请号
US19460687173
申请日期
1946.07.30
申请人
MINNESOTA MINING & MANUFACTURING COMPANY
发明人
PENNEY KENNETH E.
分类号
G03D13/12
主分类号
G03D13/12
代理机构
代理人
主权项
地址
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