China 'GB/T 16492-1996
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 16492-1996
Optics and optical instruments -- Environmental requirements--General information, definitions,climatic zones and their parameters 光学和光学仪器 环境要求 总则、定义、气候带及其参数
Issued Date:1996-08-13
Implemented Date:1996-12-01
Issued by:
The Standardization Administration of the People's Republic of China