Pipe threads where pressure tight joints are made on the threads. Taper external threads and parallel internal threads. Dimensions, tolerances and designation— 16 стр.
Pipe threads where pressure tight joints are made on the threads. Taper external threads and taper internal threads. Dimensions, tolerances and designation— 16 стр.
Household and similar electrical appliances. Safety. Particular requirements for gas, oil and solid-fuel burning appliances having electrical connections— 24 стр.
Specification for installation of gas-fired forced convection air heaters for commercial and industrial space heating (2nd and 3rd family gases)— 42 стр.