An improved draft regulating device for ploughs, cultivators andother stump jumping agricultural implements

• 1. 水旱两用耕耙联合作业机引农具 [P] . 中国专利： CN1112094C . 2003.06.25
• 2. 一种新式环保电动耕平地农具 [P] . 中国专利： CN108738411A . 2018-11-06
• 3. An improved draft regulating device for ploughs, cultivators andother stump jumping agricultural implements [P] . AU9723B1 . 1908-08-04

  机译： 一种改良的耕犁，耕ators机和其他跳桩农具的吃水调节装置

• 4. An improved draft regulating device for ploughs, cultivators andother stump jumping agricultural implements [P] . AU972307B . 1908-08-04

  机译： 一种改良的耕犁，耕ators机和其他跳桩农具的吃水调节装置

• 5. Improvements in stump jump ploughs and cultivators and agricultural implements ofa like nature [P] . AU10677B1 . 1914-06-30

  机译： 改善像大自然一样的树桩跳犁和中耕机以及农具

• 1. Surface Engineering Technologies to Improve the Performance of a Duckfoot Cultivator - A Common Agricultural Component [C] . Rupa Dasgupta, A. K. Jha, B. K. Prasad, International Conference on Surface Modification Technologies . 2004
• 2. Information Technology in Agriculture: The Value of Implementing a Whole-Chain Traceability System to Transfer Information in Beef Industry and Using Eye-Tracking Technology to Improve Conjoint Analysis [D] . Ge, Candi 2018
• 3. Constraints and opportunities for implementing nutrition‐specific agricultural and market‐based approaches to improve nutrient intake adequacy among infants and young children in two regions of rural Kenya [O] . Christine Hotz, Gretel Pelto, Margaret Armar‐Klemesu, 2015
• 4. 1922 catalogue of choice farm, garden and flower seeds, agricultural implements, dairy and poultry supplies, wooden ware, hardware, galvanized ware, brooms, brushes, fencing, garden seeders and cultivators, pumps and spraying outfits, paints, oils, automobile tires, etc. / [O] . 1922
• 5. Information Quality Act: National Agricultural Statistics Service Implements First Steps, but Documentation of Census of Agriculture Could Be Improved [R] . 2005

• 1. 一种烧结机烟道切换阀调节装置技术改进 [C] . 赵文海 ,张思平 ,刘艳丽 . 第十四届全国烧结球团设备技术交流会暨节能环保技术研讨会 . 2016
• 2. 一种适用于无人机的跳频通信信道均衡算法设计与验证 [A] . 柴玉荣 . 2020