CNS 7446-1982
Writing Chalks (English Version)

Standard No.

CNS 7446-1982

Language

Chinese, Available in English version

Release Date

1982

Published By

Taiwan Provincial Standard of the People's Republic of China

Latest

CNS 7446-1982

Scope

This standard applies to gypsum and calcium carbonate chalk (hereinafter referred to as chalk) used on blackboards.

CNS 7446-1982 history

• 1982 CNS 7446-1982 Writing Chalks