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经营范围
发明名称
SEWAGE TREATMENT PROCESS
摘要
申请公布号
CA847404(A)
申请公布日期
1970.07.21
申请号
CAD847404
申请日期
申请人
ETHYL CORPORATION;IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
PHILIP N. J. CHIPPERFIELD;JOSEPH H. BENTON
分类号
主分类号
代理机构
代理人
主权项
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