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经营范围
发明名称
Viscosity index improving agents
摘要
申请公布号
US2999120(A)
申请公布日期
1961.09.05
申请号
US19580773176
申请日期
1958.11.12
申请人
WILGUS DONOVAN R
发明人
WILGUS DONOVAN R.
分类号
C07C15/12
主分类号
C07C15/12
代理机构
代理人
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地址
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