HG/T 20592  法兰 SO 32(B)-16 FF b=4

SO 32(B)-16 FF b=4

SP-2-5-6 RF0 n=4-2.500-1. RF S=6h-RF64

47065.2 A3H40T215-F/.html0R L=1

WN 20(A)-10 RF S=2let/

20615WN100-16RFRF0-60sch4/40-100 h=25

LWN50-900 RJ0-150016 rf pl12S20RF SCH40000Sam S=5¦

LWN 25-300 RF B=24.5

SO150-600 RF

WN 20(A)-10