BS 1640-2:1962

Заменен

Specification for steel butt-welding pipe fittings for the petroleum industry, Wrought and cast austenitic chromium-nickel steel fittings — 20 стр.

Заменен на

BS EN 10253-3:2008

ICS

75.180.99 Other equipment for petroleum and natural gas industries / Оборудование для нефтяной и газовой промышленности прочее