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发明名称
APPARATUS FOR RAISING NATURAL OILS AND OTHER LIQUIDS BY GASEOUS PRESSURE
摘要
申请公布号
CA450364(A)
申请公布日期
1948.08.10
申请号
CAD450364
申请日期
申请人
NORMAN FRASER BROWN
发明人
NORMAN FRASER BROWN
分类号
主分类号
代理机构
代理人
主权项
地址
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