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经营范围
发明名称
Improvements in or relating to dental prosthesis
摘要
申请公布号
GB569974(A)
申请公布日期
1945.06.18
申请号
GB19430008554
申请日期
1943.05.28
申请人
E. I. DU PONT DE NEMOURS & CO.
发明人
分类号
A61K6/083;C08F2/50;C08F20/62
主分类号
A61K6/083
代理机构
代理人
主权项
地址
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