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经营范围
发明名称
METAL WORKING LUBRICANT
摘要
申请公布号
CA509766(A)
申请公布日期
1955.02.01
申请号
CAD509766
申请日期
申请人
SHELL DEVELOPMENT COMPANY
发明人
EDWARD J. JAHN
分类号
主分类号
代理机构
代理人
主权项
地址
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