GB/T 12459  弯头 DN 100-Ⅱ-1090ESS=1c

DN 100-Ⅱ-10 90ESS=1c

47021 C-RF1300-0.25m/@WN50B-100

wn25(a)-16mFRF SchR

PL2000(B)-16RF2029rv ScF0

47023 fm1200-4.0 î´=120 h=23090-150

wn25(b)-100ms=6/

47023 rf500-4.0/54-11-16 RFch

PL50(B)-16RFSch5R

PL100(B)-16 RF-1/h40R0205926-f/@W

wn25b-40rf-1