HG/T 20592  法兰 PL 450(B)-10 RF b=3

PL 450(B)-10 RF b=3

WN500B-40TB50RForum.92--2.5

bl500-16mfsp1100-f

WN600-150 RF B=574

WN 80(B)-10 RF S=4.5

3 RF 550-2.5 δ0=8

SO 50(B)-16 RFRFδ0=8 RF S=4.510F5 RJ R1cB80RF Sch80S5 RJ0SM0 RF/���77.5 RJ Smpa

21520PL80(B)-16RFpwd=

WN 2"-150