BS ISO 9022-21:1998被替代
Optics and optical instruments. Environmental test methods. Combined low pressure and ambient temperature or dry heat
出版：British Standards Institution
专家解读视频
Defines procedures for testing optical instruments and instruments containing optical components, under equivalent conditions, for resistance to combined low pressure and ambient temperature or dry heat. Investigates the extent to which optical thermal, mechanical, chemical and electrical performance characteristics of the specimen are affected, for instance instruments installed or transported inside aircraft or flying objects which do not provide pressure equalization.
© British Standards Institution 2013
ISO 9022-21:1998 - Identical
ISO 9022-21 : 1998 - Identical
ISO 9022-21 : 1998 - Identical
