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发明名称
Manufacture of mill greases
摘要
申请公布号
US2222589(A)
申请公布日期
1940.11.26
申请号
US19370154607
申请日期
1937.07.20
申请人
UNION OIL COMPANY
发明人
BRADLEY WILLIAM E.
分类号
主分类号
代理机构
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