zhangqihua
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- Gender:Male
- Name (Pinyin):zhangqihua
- Date of Employment:2011-04-01
- School/Department:流体机械工程技术研究中心
- Administrative Position:副研究员
- Education Level:With Certificate of Graduation for Doctorate Study
- Degree:doctor
- Teacher College:Research Center of Fluid Machinery and Technology
Contact Information
No content
- Patents
一种井用潜水泵导叶
Date:2019-10-23 Hits:
- Type of Patent:实用新型
- State of Patent:已授权
- Authorization number:201220277154.1
- Service Invention or Not:no
- Application Date:2012-06-13
- Authorization Date:2013-01-30