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发明名称
抽油杆旋转抗磨减载装置
摘要
本外观设计涉及一种油田机械采油的旋转悬挂装置,具体说涉及一种能够调节悬绳间距,安装、调节便捷的抽油杆旋转抗磨减载装置。
申请公布号
CN301217620S
申请公布日期
2010.05.19
申请号
CN200930196542.0
申请日期
2009.07.24
申请人
张兵
发明人
张兵
分类号
15-99
主分类号
15-99
代理机构
代理人
主权项
地址
457000 河南省濮阳市龙华区建设小区
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