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发明名称
PACKER DEVICE FOR WELLS
摘要
申请公布号
CA666175(A)
申请公布日期
1963.07.02
申请号
CAD666175
申请日期
申请人
B AND W INCORPORATED
发明人
KENNETH A. WRIGHT;JAMES R. SOLUM
分类号
主分类号
代理机构
代理人
主权项
地址
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