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经营范围
发明名称
Mass lift
摘要
申请公布号
US2703732(A)
申请公布日期
1955.03.08
申请号
US19510204652
申请日期
1951.01.05
申请人
UNION OIL COMPANY
发明人
SCHUTTE AUGUST H.
分类号
B01J8/00
主分类号
B01J8/00
代理机构
代理人
主权项
地址
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