GB/T3036-94 C.CS Type Marine Center-pivoted Butterfly Valve
GB/T3036-94 D/DS Type Marine Center-pivoted Butterfly Valve
GB/T3036-94 E.ES Type Marine Center-pivoted Butterfly Valve
GB/T3037-1994 A.AS Type Double Eccentric Butterfly Valve
GB/T3037-1994 B.BS Type Double Eccentric Butterfly Valve
GB/T3037-1994 C.CS Type Double Eccentric Butterfly Valve
GB/T3037-1994 D.DS Type Double Eccentric Butterfly Valve
GB/T3037-1994 FA.FAS Double Eccentric Butterfly Valve
GB/T3037-1994 FB.FBS Marine Double Eccentric Butterfly Valve
GB/T1850-1984 Marine Male Thread Weight Quick-Closing Valve
GB/T5744-1993 Marine Cast Steel Quick-Closing Valve
CB/T601-1992 Marine Self-Closing Drain Valve
CB/T3265-1994 Marine Liquid Gauge Self-Closing Valve
CB/T3778-1999 Sounding Device
CB/T3841-2000 Marine Shipboard Boiler Discharge Valve
