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内滚球式抽油杆扶正器
Release Time:2019-04-17| Hits:

Project Name:内滚球式抽油杆扶正器
Institution:机械工程学院
Leading Scientist:刘增文
Supported by:济南科技局
Nature of Project:纵向
Project Level:Prefectural (City, Prefecture) Level
Project Participants:刘增文
Project Number:kyxm-3842
Project Approval Number:31360005080602
Date of Project Approval:2006-01-01
Scheduled Completion Time:2008-04-30
Date of Project Completion:2008-04-30
Date of Project Initiation:2006-01-01
Release Time:2019-04-17