Apparatus for planting seeds [Punch planting by apparatus comprising an eccentrically driven disk equipped with a plurality of punches rotatably mounted on a frame, a seed disk is rotatably mounted on the frame and communicates with a seed hopper to singulate seeds to the punches; citation only; USA].
1981
Wilkins D.E. | Conley W.J.
书目信息
United States patent - United States Patent Office (USA). no. 4,300,462.
语言
英语
注释
ill. Includes references. Copies of USDA patents are available for a fee from the Commissioner of Patents and Trademarks, U.S. Patents and Trademarks Office, Washington, D.C. 20231. AVAILABILITY: NAL, USDA, Beltsville, Md. 20705 - USA
类型
Monograph; Non Conventional
团体作者
Selskostopanska Akademiya, Sofia (Bulgaria).
2012-11-15
AGRIS AP