2026-10-13T05:29:14Z https://www.scidb.cn/oai

10.57760/sciencedb.iga.01274 2026-09-18T15:18:42Z

2026-09-18 Model demonstration of comprehensive prevention and control of non-point source pollution by covering crop erosion control and soil conservation and ditch drainage interception-patent doi:10.57760/sciencedb.iga.01274 en This data set consists of a utility model patent certificate for herbicide spraying device for maize-legume intercropping, a device and method invention patent certificate for picking and collecting fresh flower petals of four-season rose, and a utility model patent certificate for picking and collecting fresh flower petals of four-season rose. The data content mainly includes patent information such as patent name, patent number, application date, authorization announcement date, patentee and inventor, which is derived from the State Intellectual Property Office, and the information is accurate and reliable. The text data is in PDF format, and the amount of data is 3.34 MB. Covering crops ; non-point source pollution ; patents 刘胜群 PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank