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张大成
Lecturer (Higher Education Institution)
School/Department: College of Engineering
Education Level:University graduated
Degree:Master's Degree in Engineering
Professional Title:
Lecturer (Higher Education Institution)
Alma Mater:
北京农业工程大学
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一种后置旋转式旋耕播种施肥开沟机
Release time:2023-12-02
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Affilication of Author(s):
工学院
Disigner of the Invention:
张大成,於海明(外),包义亮(外),郑小钢(外),张平(外),葛涛(外),孙良胜(外),王俊(外),张正伟(外)
Type of Patent:
Patent
Authorization number:
ZL202021335025.4
Authorization Date:
2021-04-06
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