Institution, 8. B. S. Unfired fusion welded pressure vessels.
Dyfyniad Arddull ChicagoInstitution, 8096 British Standards. Unfired Fusion Welded Pressure Vessels.
Dyfyniad MLAInstitution, 8096 British Standards. Unfired Fusion Welded Pressure Vessels.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.