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经营范围
发明名称
TREATING HIGH SOLIDS SLUDGES
摘要
申请公布号
CA628912(A)
申请公布日期
1961.10.10
申请号
CAD628912
申请日期
申请人
ETHYL CORPORATION
发明人
HENRY A. THOMAS
分类号
主分类号
代理机构
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