Which of the following databases can retrieve patent documents ()

Wanfang Database, China HowNet Database and Academic Search of Reading Show can all search patent documents.

Wanfang Database is a large-scale network database developed by Wan Fang Data Company, covering periodicals, conference minutes, papers, academic achievements and academic conference papers. It is also a professional academic database in China, and enjoys the same reputation as China HowNet.

Taking Wanfang database as an example, the specific steps of retrieval are as follows:

1. Open a computer browser and enter Wanfang database in the search bar.

2. Enter official website of Wanfang Database, and you will see a search bar. Enter the literature you want to search in this search field, and then click the search button next to it.

3. After clicking the search button, the following screen will appear. You can select the desired document and click it.