NB/T 47065.1  支座 BⅠ 5001500-s/@b wn1/6155RF B=-

BI 5001500-s/@b wn1/6155RF B=-

SO100-300 RF sR

DN400-PN6 PL/W-B GB/T 9124

WN 100(B)-25 RF S=6)0@RFerf

DN500/PN16/11B Sch40S S=8

WN80-150 RF Sch4060RF����@0fF Sch40�1

WN50-300M SCH/ A=3.5Fu5 δ1=109RJRFCf/14

WN150(B)-16 RF S=8 S=11f.0 S

4702