You can usually download files in TIF format.
Because China only started to implement electronic applications in 2009.
In general, the patent applied in paper form can only be a file in TIF picture format.
The PDF quality of the authorization document using electronic application is very good.
Some patented downloaders have the function of automatic file conversion and generation, which can produce high-quality PDF files.
The above is excerpted from The Wisdom of Tang Dynasty.