GB/T 12459  偏心异径管 DN 450×10-Sch20RE�¬âR1mp-16

DN 450×10-Sch20 RE�¬âR1mp-16

SO40-16Rf=FS16HG-s0(.0 ÃŽ0010pampam

pl250(b)-10rf d=450 k=385 l=33 c=42 d=345 f1=3

pl50(a-16 rf 22ذ،ز¸�

TPB-4 DN=22-300 rf.5�њ¬©

pl300-10g/h205E/c=24RFC

WN 250-300 RF RF

SO200B-25 RF R=100

SO15-300GR150