What application documents do I need to submit to apply for a patent?

Documents required to apply for a patent for invention: a request for a patent for invention; Description; Claim; Description summary; The drawings can be submitted at the same time as the drawings. The above documents need to be in duplicate. Where it is required to slow down various patent fees, it may make two requests for fee reduction at the same time. The above documents must be printed (No.4, No.4 or No.5 in Song Dynasty or imitation Song Dynasty, and the handwriting must be black and clear; The paper is A4 printing paper or copy paper; Center position of the article: leave a margin of 2.5 cm on the top and bottom of the paper, and a margin of 1.5 cm on the left and right), and all of them adopt the table format specified by the Patent Office.