NB/T 47021  法兰 C-M 600-1.6 δs=8

47021CM600-1.6 δs=8

PL50(B)-16 RF D= b= d=

AWN36"-900 RJF260 RF unF7.5 RJS6RF6R90B)-ampampampamp

B WN 1050-150 RF B=1471

SO 500-150 RF20(B)-16005/u00cf9 c=12(b)-40

WN300(B)-16 FM n=16 L=27 d=376

B WN 1500-150 RF S=12.7F2 H"-300 RF Sch

B WN