GB/T 12459  同心异径管 DN 65×50-3.05RC

DN 65×50-3.05 RC

LJ10"-150 RF Sch405ARB@4002B)-00 FMRF@RF�RF Sch

DN 80×50-5.49 RE

WN80(B)-16 RF2m

wn450-16M/1@b0F3��501-2@40@6R

PL38-10RFFh160FF�501-2@40@6R

WN100(B)-100 RF0

bl25-63 RF Sch40aa2/data

DN 25×15-3.5 RC

DN 65×25-5.16 RE.)