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经营范围
发明名称
Treatment of diatomaceous earth with chemical agents
摘要
申请公布号
US1970204(A)
申请公布日期
1934.08.14
申请号
US19330684761
申请日期
1933.08.11
申请人
THE DICALITE COMPANY
发明人
STOCKTON MCKINLEY
分类号
C04B14/08
主分类号
C04B14/08
代理机构
代理人
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