GB/T 12459  偏心异径管 DN 600×10-Sch120RE00 R

DN 600×10-Sch120 RE00 R

LWN200-150RF sch8030 l=33 n=20

WN 250(B)-40 FM S=8

WN20-300RFs=63/@A W f1M/5

SO32(B)-16 RFch10s50-1.0S14001/@A B(B

SO50-150 RF ¢/

pl65(b)-16 rf b= b1=�

LWN100-300 RF N=120.5 B=96.5rum@SO10SO100 RF00-0.2500

LWN200-300RF Sc