HG/T 20592  法兰盖 BL 50-40 FMampwdS=1040)-16

BL50-40fmampwdS=1040)-16

WN 25(B)-100 M S=5vlet/F sF08F FF.105J

WN150(A)-40RF B=60-0

HP-2 нc0 RF1a=4H80 RJ S4. FF Sc

BL 300-300 FF C=14 L=18

SO 15(B)-16 RF S=3/dataJ.6mpamu0RF-RпҝҪS

DN25-PN25 WN RF I A=34 S=3.5

47023 rf 400-1.0/RfS=4002-1

pl300B-