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发明名称
PUMPING APPARATUS
摘要
申请公布号
CA884710(A)
申请公布日期
1971.11.02
申请号
CAD884710
申请日期
申请人
HAWK OIL FIELD EQUIPMENT CORPORATION
发明人
HARRY W. HAWK
分类号
主分类号
代理机构
代理人
主权项
地址
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