00635nam a2200217Ia 4500 200023697 20260309011127.0 251210s9999 xx 000 0 und d N389 U551 0013581 Underwriters laboratories 311 Standard for safety : Steel underground tanks for flammable and combustible liquids : ANSI/UL 58 [s.l.] : Underwriters laboratories, 1976. 13/03/2003 [16] p. Normalización 106 NORMA 57476 57476 Normalización 106