Plunger, hydraulic end and plunger pump

Assignee

• Yantai Jereh Petroleum Equipment & Technologies Co.

Inventors

• Baojie WANG (4 patents)
• Hailong Li (34 patents)
• Haiping Cui (12 patents)
• Xiaobin Li (31 patents)
• Jixin Wang (17 patents)
• Peng Li (73 patents)
• Chen Jiang (19 patents)
• Shulin ZHANG (5 patents)
• Wenping Cui (9 patents)
• Anpeng GE (4 patents)

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