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经营范围
发明名称
Pump anchoring device
摘要
申请公布号
US2496546(A)
申请公布日期
1950.02.07
申请号
US19460662362
申请日期
1946.04.15
申请人
MERLA TOOL CORPORATION
发明人
LAMB ROY A.
分类号
E21B23/01
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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