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经营范围
发明名称
Silica-thickened grease containing alkylene carbonate dispersant
摘要
申请公布号
US2939840(A)
申请公布日期
1960.06.07
申请号
US19570658932
申请日期
1957.05.14
申请人
THE PURE OIL COMPANY
发明人
FRONCZAK ERNEST T.
分类号
主分类号
代理机构
代理人
主权项
地址
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