Where there are multiple claims in the claims, they shall be numbered with Arabic numerals.
The scientific and technological terms used in the claims shall be consistent with those used in the specification, and may have chemical formula or mathematical formula, but no illustrations. Unless absolutely necessary, the words "as described in the manual" or "as shown in the figure" shall not be used.
The technical features in the claim can refer to the corresponding marks in the drawings of the specification, and these marks should be placed in brackets after the corresponding technical features to facilitate the understanding of the claim. Reference signs shall not be construed as limiting the claims.
Article 34 In accordance with Article 31, paragraph 1, of the Patent Law, two or more inventions or utility models that belong to the general inventive concept and can be filed as one patent application shall be technically interrelated and contain one or more identical or corresponding specific technical features, in which the specific technical features refer to the technical features that each invention or utility model as a whole contributes to the existing technology.