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Compliance with BS 6262-4
- Constituents which alter the rate of setting and hardening of concrete
and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below
BS 8520-2 is based on PAS 60-2:2004
9 Protection against electric shock
Optics and optical instruments. Lasers and laser-related equipment. Lifetime of lasers Ingestion-build-67170 Compliance with BS 6262-41 Scope This International Standard covers terms and definitions as well as test methods and evaluation procedures to characterize, estimate and predict the longterm behaviour of various types of lasers. This International Standard defines terms for the lifetime of lasers and specifies test procedures and fundamental aspects for the determination of lifetime. It applies for all types of lasers for which lifetime is a critical issue, including diode
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