Nature protection. Atmosphere. Norms and methods of measuring of carbon monoxide and hydrocarbons content in exhaust gases from motor vehicles with spark ignition engines used gas fuel
Rectangular steel all-cast moulding boxes having inside dimensions: length from 400 to 500 mm, width from 300 to 400 mm, height from 100 to 200 mm. Construction and dimensions
State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring time and frequency
