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发明名称
Tool for impinging liquid against inner walls of chambers
摘要
申请公布号
US2657753(A)
申请公布日期
1953.11.03
申请号
US19490114153
申请日期
1949.09.06
申请人
PHILLIPS PETROLEUM COMPANY
发明人
CARPENTER PAUL G.
分类号
E21B37/00
主分类号
E21B37/00
代理机构
代理人
主权项
地址
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