BS A 274:1981

Действует

Specification for procurement of alloy steel bolts, metric, with a minimum tensile strength of 1100 MPa — 20 стр.

Ссылочные документы

Действует

Sampling procedures for inspection by attributes, Procedures for assessment of declared quality levels — 22 стр.

Заменен

Assessment of surface texture, Methods and instrumentation — 34 стр.

Действует

Plastics. Joining of thermoplastic moulded components. Specification of variables for thermal joining processes — 48 стр.

Действует

Anaesthetic and analgesic machines, Specification for auxiliary gas outlets and probes — 10 стр.

Действует

Specification for British Association (B.A.) low tensile screws and nuts for aeronautical purposes — 16 стр.