GB 7962.23-1987
Colourless optical glass test methods－Young's modulus, torsional rigidity modulus, Poisson's ratio (English Version)

Standard No.

GB 7962.23-1987

Language

Chinese, Available in English version

Release Date

1987

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2020-03

Replace By

GB/T 7962.23-2019

Latest

GB/T 7962.23-2019

GB 7962.23-1987 history

• 2019 GB/T 7962.23-2019 Test method of colourless optical glass—Part 23: Resistance to climatic
• 1987 GB 7962.23-1987 Colourless optical glass test methods－Young's modulus, torsional rigidity modulus, Poisson's ratio

GB 7962.23-1987 -All Parts