HG/T 20592  法兰盖 BL 65(B)-100 FM2F930)/n400-65Ah80S05 RFв

bl65b-100fm2F930)/n400-65Ah80S05 RFв

WN 300-300 T Sch140R

SO 80-150 RF150

WN 500-900 RJ S=24pamRFF(B)-16

WN 100-600 RF S=100

SO500-16RF/foru/155/

DN125-Class150 WN RF

SOP RF 10K 150A

WN200-600RF S=3.76(a=1094 S65 h=12500F-25rf s=10R50(b0(b

pl65-1