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发明名称
Turnbuckle for jack pumping systems
摘要
申请公布号
US1978336(A)
申请公布日期
1934.10.23
申请号
US19330671233
申请日期
1933.05.15
申请人
PHILLIPS PETROLEUM COMPANY
发明人
AULD DONALD W.
分类号
F04B47/02
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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