United power system and isolated power systems. Relay protection and automation. Differential phase protection of power lines 110–220 kV. Functional requirements
Graphic technology. Process control for the production of half-tone colour separations, proof and production prints. Part 1. Parameters and measurement methods
Low-voltage fuses. Part 3-1. Supplementary requirements for fuses for use by unskilled persons (fuses mainly for household and similar applications). Sections I to IV
Disinfectology and disinfection activities. Chemical disinfectants and antiseptics. Method for the determination of peracetic acid in the presence of hydrogen peroxide
€10
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!