HG/T 20592  法兰 PJ/SE 400(B)-10 RF63°=185K=11

SE400B-10RF63°=185K=11

WN 8"-900 RJ Sch100

3 RF 1000-4.0 δ0=16

WN 16"-300 RF Sch40S

BL 5000-25 FM

LWN20-300 RF Sch40 H=273

WN80(A)-63 RF 12件

47023 M1300-4.0/150-296

47023 m900-1.6 î´1=12 dn=800 î´=64 h=142 î´2=34 h=54

SO65B)-16