HG/T 20592  法兰盖 BL 200(B)-10 RFch160F00e5f16

BL 200(B)-10 RFch160F00e5f16

SW50(B)-25 RF C=2f0for0a

PL 80(B)-16 RF SOÃax.-25 RF

WN350-600 RF Sch100 RF80S S=4.85 RF=SCH80pampampa

WN 3"-150 RF Sch40S

WN 65-25 FM

SO 16"-300 RF

WN 25-1500 RF S=15.09

PL 100(B)-10 RF

wn300(b)-63 rf s=F-60SB