Sampling procedures for inspection by attributes. Part 1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection— 94 стр.
Mechanical properties of fasteners made of carbon steel and alloy steel. Bolts, screws and studs with specified property classes. Coarse thread and fine pitch thread— 64 стр.
Metal scaffolding. Couplers, Specification for steel couplers, loose spigots and base-plates for use in working scaffolds and falsework made of steel tubes— 28 стр.