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发明名称
GAS RETURNING METHOD FOR WELLS
摘要
申请公布号
CA409136(A)
申请公布日期
1942.12.08
申请号
CAD409136
申请日期
申请人
THE ATLANTIC REFINING COMPANY
发明人
DANIEL R. CONLON, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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