CN109819722B - 一种入土角可调的双行自锁式开沟器 - Google Patents
一种入土角可调的双行自锁式开沟器 Download PDFInfo
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- CN109819722B CN109819722B CN201910083503.2A CN201910083503A CN109819722B CN 109819722 B CN109819722 B CN 109819722B CN 201910083503 A CN201910083503 A CN 201910083503A CN 109819722 B CN109819722 B CN 109819722B
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CN201910083503.2A CN109819722B (zh) | 2019-01-29 | 2019-01-29 | 一种入土角可调的双行自锁式开沟器 |
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CN109819722A CN109819722A (zh) | 2019-05-31 |
CN109819722B true CN109819722B (zh) | 2021-08-31 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN206932607U (zh) * | 2017-05-04 | 2018-01-30 | 江西省农业科学院农业工程研究所 | 一种适宜南方稻板田免耕油菜双行开沟机 |
CA2968181C (en) * | 2017-05-24 | 2019-02-26 | Bourgault Industries Ltd. | Quick depth adjustment for parallel arm openers |
CN207182232U (zh) * | 2017-09-25 | 2018-04-03 | 张克成 | 一种计算机键盘 |
CN207639147U (zh) * | 2017-12-12 | 2018-07-24 | 吕龙海 | 一种撮播小麦播种机 |
CN108432414A (zh) * | 2018-04-23 | 2018-08-24 | 汤以骋 | 一种农业种植用均匀播撒的播种机 |
CN108834492A (zh) * | 2018-06-27 | 2018-11-20 | 芜湖衡西微量计量科技有限公司 | 一种大小可调的农作物种植用多角度移动式开沟器 |
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CB03 | Change of inventor or designer information | ||
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Inventor after: Zhao Jiale Inventor after: Zhuang Jian Inventor after: Jia Honglei Inventor after: Meng Fanhao Inventor after: Wang Wanpeng Inventor after: Lu Yun Inventor before: Zhuang Jian Inventor before: Jia Honglei Inventor before: Meng Fanhao Inventor before: Wang Wanpeng Inventor before: Lu Yun |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210831 Termination date: 20220129 |