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发明名称
Process for producing antirachitic substances
摘要
申请公布号
US2056992(A)
申请公布日期
1936.10.13
申请号
US19350023259
申请日期
1935.05.24
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
WADDELL JAMES
分类号
主分类号
代理机构
代理人
主权项
地址
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