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经营范围
发明名称
DEWAXING MINERAL OILS
摘要
申请公布号
CA541640(A)
申请公布日期
1957.05.28
申请号
CAD541640
申请日期
申请人
SHELL DEVELOPMENT COMPANY
发明人
HENDRIK MONDRIA
分类号
主分类号
代理机构
代理人
主权项
地址
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