HG/T 20592  法兰盖 BL 65(B)-16 RF sc

BL65(B)-16 RF sc

WN 14"-150 RF Sch40S

2 RF 1500-1.0 δ1=12

BL300-10T.250

47065.3 C4

PL 80B-16 RF

3 FM 700-1.6

wn25-300 rf b=22

SO 1"-150 RF

WN 40-150 RF sch408.2 ⅡFRFذ06p@ТА Sch40S/static/draw/00 m δs=6 S=520��@RF@4�FF ScF&@��@R