Quadrilateral figures with one or more convex or concave sides A 26.4.6

一条或多条边凸出或内凹的四边形图形

Chinese 一条或多条边凸出或内凹的四边形图形

English Quadrilateral figures with one or more convex or concave sides

Spanish Figuras cuadriláteras con uno o más lados convexos o cóncavos

Code: A 26.4.6
Category: 26.4 Quadrilaterals
Version: Vienna Classification, 10th edition (VCL 10, in force from 1 Jan 2026); English from the WIPO official text, Chinese is a J&C reference translation

Notes

注（WIPO 原文）：Not including elongated surfaces with one or more convex or concave sides (25.3.1).