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经营范围
发明名称
Metalworking lubricant
摘要
申请公布号
US2590451(A)
申请公布日期
1952.03.25
申请号
US19470767860
申请日期
1947.08.09
申请人
SHELL DEVELOPMENT COMPANY
发明人
PERRY GEORGE L.
分类号
B21B45/02;B25D17/26;F04C15/00;F04C29/02
主分类号
B21B45/02
代理机构
代理人
主权项
地址
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