01004nam--2200337---450-99000592700020331620140204171925.00-472-26246-3000592700USA01000592700(ALEPH)000592700USA0100059270020140204d1982----km-y0itay50------baengGB||||||||001yySpecification No. NWWG-5Acoustic insulation of pipes, valves and flangesLondonWiley Heyden Limited198222 p.ill.30 cmTitolo della copertinaIn testa al frontespizio: Oil companies materials associationIsolamento acusticoBNCF620.23ITsalbcISBD990005927000203316620.23 OIL 13009 Ing.620.2300061632BKTECCHIARA9020140204USA011719Specification No. NWWG-51073480UNISA