NB/T 47065.1  支座 BⅠ 140070 rf)-100-0s1201

BI 140070 rf)-100-0s1201

WN800-16 RF S=≥12

47022FM1200-1.0/7480(

3 rf900-1.0 65/121

WN 32(B)-160 RF0-2u0/Fmpam

WN 100(B)-100 RF S=120

B WN 40"-150 RF B=Sch

DN20-PN10 SO RF Ⅱ7 RFF1b4

bL 600-10 RF D=1445 B

DN40-Class600 WN RFrf1��  RF Sc