NB/T 47065.1  支座 A 616rf S4 C=15

DN 300×15-Ⅱ-10 RC AA616rf S4 C=15

A2600 F /u06F5 RF-1.RF-1640pa

47023WN250(B)-25RF/00.6R65

WN250-300 RF Sch40Sh40F S=2=2h/ s

WN 600(B)-25 RF300-S1-6

pl100-10rf aa=310 b=3

WN RF 10K 40A Sch40S6/4

PL 80(B)-10 RFb=1h1

PL 100(B)-16 RFRF16FM

pl150-40RF