一种耐冲击复合材料抽油杆
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Title:一种耐冲击复合材料抽油杆
Institution:材料科学与工程学院
Type of Patent:Utility models
Application Number:201821035457.6
Number of Inventors:1
Service Invention or Not:No
Application Date:2018-06-29
Publication Date:2019-01-11
Authorization Date:2019-01-11
Release Time:2020-03-19