Sampling procedures for inspection by attributes, Introduction to the BS 6001 (ISO 2859) series of standards for sampling for inspection by attributes— 20 стр.
Specification for direct gas-fired forced convection air heaters with rated heat inputs greater than 330 kW but not exceeding 2 MW for industrial and commercial space heating. Safety and performance requirements (excluding electrical requirements) (2nd family gases)— 46 стр.