GB/T 18028-2000Mathematical, physical and chemical symbols of Chinese braille (English PDF)

GB/T 18028-2000 is the English-translated version of 中国盲文数学、物理、化学符号.

GB/T 18028-2000 is the Chinese national standard "Mathematical, physical and chemical symbols of Chinese braille". It was issued on April 5, 2000 by the State Bureau of Quality and Technical Supervision, and took effect on October 1, 2000. It is obsolete: it has been replaced by GB/T 18028-2010.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

1. 1

   Add to cart

   Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

2. 2

   Checkout

   Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

3. 3

   Instant delivery (0–9 sec)

   Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

4. 4

   Invoice included

   A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.