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经营范围
发明名称
Free-flowing sodium silicate powder
摘要
申请公布号
US3051550(A)
申请公布日期
1962.08.28
申请号
US19610095464
申请日期
1961.03.14
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
SPEED DAVID B.
分类号
C01B33/32
主分类号
C01B33/32
代理机构
代理人
主权项
地址
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