Specification for black bolts, screws and nuts, hexagon and square, with B.S.W. threads, and partly machined bolts, screws and nuts, hexagon and square, with B.S.W. or B.S.F. threads— 22 стр.
Valves, gauges and other safety fittings for application to boilers and to piping installations for and in connection with boilers, Specification for valves, mountings and fittings— 20 стр.
Specification for steel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries— 32 стр.
