一种新型农田排水沟
- Patent Applicant:徐波
- Patent description:一种新型农田排水沟
- Type of Patent:实用新型
- State of Patent:#N/A
- Application Number:201621296949.1
- Number of Inventors:10
- Service Invention or Not:no
- Application Date:2016-11-30
- First Author:Xu Bo
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