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发明名称
POLYMERIC VISCOSITY INDEX IMPROVERS OF LUBRICANTS
摘要
申请公布号
CA916682(A)
申请公布日期
1972.12.12
申请号
CAD916682
申请日期
申请人
THE BRITISH PETROLEUM COMPANY LIMITED
发明人
ERIC S. FORBES
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主分类号
代理机构
代理人
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