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发明名称
Lubricating compositions
摘要
申请公布号
US2820010(A)
申请公布日期
1958.01.14
申请号
US19550527876
申请日期
1955.08.11
申请人
SHELL DEVELOPMENT COMPANY
发明人
BERGSTROM ROLAND FREDERICK;TROWBRIDGE HARVEY M.;JONES ROBERT C.
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主分类号
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