State system for ensuring the uniformity of measurements. Standard noise figure and equivalent noise temperature of amplifiers and receivers. Measurement procedure
Reciprocating internal combustion engines. Safety requirements for engines, intended for use in potentially explosive atmospheres. Part 2. Group I engines for use in underground workings susceptible to fired amp and/or combustible dust
Thermal insulation products for buildings. Method for determination of dimensional stability under constant normal laboratory conditions ( 23 °C/50 % relative humidity)
€10
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!
