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於海明
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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用于玉米收获机的摘穗装置中的拉茎辊
Release time:2024-01-09
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Affilication of Author(s):
工学院(含乡镇企业学院)
Disigner of the Invention:
何瑞银,王学林,於海明,张士国,蔡国芳,钟志堂,陶雷
Type of Patent:
Patent
Authorization number:
ZL200620070301.2
Authorization Date:
2007-04-04
Next One:
一种加工孔口下端面的装置