HG/T 20592  法兰 PL 8025-6 M

5 M 1600-2.5nt/pl8025)-6 M

BL80-160Mpwd=&/80RF Sch80=0(Dh5F01.0/

WN 150(B)-10 RF S=7.1

wn32-160 mFF-n= H

NB/T47021 RF 700-1.0

BL 4"-600 RJf00 RFM Sch

SO500(B)-16 RF3/00 RF Sch8 b-16 RFRF2

DN 25-Sch80S CRS00-1.0 ÃŽ0010pampamp1.02

wn150b-10rf