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经营范围
发明名称
MATIERE PHOTOGRAPHIQUE SENSIBLE A LA LUMIERE
摘要
申请公布号
BE776719(A1)
申请公布日期
1972.06.15
申请号
BE19710776719
申请日期
1971.12.15
申请人
E.I. DU PONT DE NEMOURS AND CY, WILMINGTON, DELAWARE, E.U.A.
发明人
W. ABELE.
分类号
C07D257/04;C07D277/74;C07D285/12;C07D285/125;C07D285/135;(IPC1-7):G03C/
主分类号
C07D257/04
代理机构
代理人
主权项
地址
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