Specification for butt-welding pipe fittings for pressure purposes. carbon steel / Part 1 :
Specification for butt-welding pipe fittings for pressure purposes. carbon steel / Part 1 :
British Standards Institution
- 21 leaves : illustrations ; 21 cm.
- British standard ; BS 1965 : Part 1 : 1963 .
- British standard ; BS 1965 : Part 1 : 1963 .
