Circles or ellipses with dark surfaces or parts of surfaces A 26.1.24

表面或部分表面为深色的圆或椭圆

Chinese 表面或部分表面为深色的圆或椭圆

English Circles or ellipses with dark surfaces or parts of surfaces

Spanish Círculos o elipses con superficies oscuras o partes de superficies oscuras

Code: A 26.1.24
Category: 26.1 Circles, ellipses
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

Auxiliary section

与主要章节 26.1.1、26.1.2 相关的辅助章节Auxiliary Section Associated with Principal Sections 26.1.1, 26.1.2