Direct Baidu "German Patent and Trademark Office" can be found, and the website is not posted here. The website of the German Patent and Trademark Office (DPMA) is in German and can be switched to English.
Of course, the website of the European agency can also be downloaded, but the patent literature is incomplete, and individual PDFs should be downloaded from the German Patent and Trademark Office.
Steps:
1. Go to the homepage of the website of the German Patent and Trademark Office (DPMA), click "English" in the upper right corner, and switch to the English interface.
2. Click on "Patents and Utility Models".
3. Click "Beginner Search"
4. Enter relevant information for retrieval. Such as contribution number, professional title, IPV classification and so on. .
5. Click on the retrieved literature information.
6. Click the icon of the PDF file to download.
Of course, it's easier if you know German. . . .