HG/T 20592  法兰盖 BL 1000-10 RFط°�ز“ذ�RF RFFcF Sm

BL1000-10RFط°�ز“ذ�RF RFFcF Sm

WN 1"-300 RF Sch40

WN 300(B)-16 M Sch40SаёўВ‘ RF S

SO 100-300 FM

SO350-25 RF

SO 80-300 FM

DN 50-6 90ES

SO 65-300 FM

WN 600(B)-16 RF S=6

47022 rf 1100-1.0E5�b)M&36ARF018F/5RF400)- s=18RFH00O2m40RSRJ