HG/T 20592  法兰盖 BL 500-25 M/00--1.6a50 RJ wn25F=5 f2=43 TF3gRF RF5=

BL500-25M/00--1.6a50 RJ wn25F=5 f2=43 TF3gRF RF5=

WN 22"-300 RF Sch40S

BL 25-150 RF

SO250B-25FFb6 R0/40@SJ15w.000702170/10RF=r

47023M600-4/-2060RF65-1551B10RF)-

SOP FF 10K 50A d0=29RF Sch4

SO125(A)-16RF0RFf/23N=.

WN15-2500 RF Sch40б‘бžа’Т