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发明名称
Photographic film
摘要
申请公布号
US2216736(A)
申请公布日期
1940.10.08
申请号
US19380232012
申请日期
1938.09.27
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
COMPANY THE WILMINGTON TRUST
分类号
C08G73/00;G03C1/795
主分类号
C08G73/00
代理机构
代理人
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