GB/T 12459  弯头 DN 65-Ⅱ-4.590ESF=.5h402.56RF5-1

DN 65-Ⅱ-4.5 90ESF=.5h402.56RF5-1

SOP FF 5K 125Afrserv

47065.4 B1F

BI 4060-1 =4-1150 RF/u00ef/ Sc.6ƒÂFh�вФАG/20

47023 FM350-1.0/7

PL 125(B)-150 RFh

2 FF 1000-0.6.6s

3 CG 2200-0.2520δ0=16

BL150-1500FF/

5 CM 900-1.6205-S0s=12ذ²â€‍ر‍