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经营范围
发明名称
Photographic sensitizing dye
摘要
申请公布号
US2270378(A)
申请公布日期
1942.01.20
申请号
US19370174114
申请日期
1937.11.11
申请人
DU PONT FILM MANUFACTURING CORPORATION
发明人
MIDDLETON EDMUND B.;JENNINGS ANDREW B.
分类号
C09B23/06
主分类号
C09B23/06
代理机构
代理人
主权项
地址
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