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经营范围
发明名称
Pulverizing process and apparatus
摘要
申请公布号
GB948877(A)
申请公布日期
1964.02.05
申请号
GB19620009582
申请日期
1962.03.13
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
B02C13/00;B02C13/18;B02C13/20;B02C13/22
主分类号
B02C13/00
代理机构
代理人
主权项
地址
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