NB/T 47065.1  支座 BⅠ 77626

BI 77626

LWN 3/4"-900 RJ

A WN 700-300 RF S=12

WN 40(B)-16 RF

WN 3/4"-1500 LT Sch40S

WN 50(B)-16 RF S=3

BII 35432

WN80-150 RF

WN10-1500 FMRF1 R

WN 25-600 RF Sch80S-16 FFf4-@В°440RF2cRF@В@RF@4�@R����S�16 rf d=88SRF1 R20δ B=Sch