HG/T 20592  法兰 PL 25(B)-10 RF b=3

PL 25(B)-10 RF b=3

WN 80-1500 RJ S=

WN 8"-150 RF Sch40

WN200(B)-25RF S=5

WN50-300 RF Sch100-150

DN 90-Sch140 C13092 H=M2 �=12

SP-1

4 A1811D

WN40B-100M S=35-0(B)-16 RF1ch40RFRuothg20615

WN 80-900 RJ Sch160F S6 mFffL250(B)-�5-2S=8.0sch80�