Squares, French curves, T-squares A 17.5.9

角尺、曲线板、丁字尺

Chinese 角尺、曲线板、丁字尺

English Squares, French curves, T-squares

Spanish Escuadras, curvas francesas, escuadras en T

Code: A 17.5.9
Category: 17.5 Measures
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