HG/T 20592  法兰 PL 80-16 RF B=91 b=32M7-80Fb)-22-21D=560ch40sschT.3 S=(B)-10RFdF Sch10S

PL80-16RF B=91 b=32M7-80Fb)-22-21D=560ch40sschT.3 S=(B)-10RFdF Sch10S

PL80(B)-10 RF20615B=78 C

BL150(B)-40M

WN600-300 RF S=5A50-105C=2100(.6ch0fRFWN-0RF

wn600-10 fm9-1=.4

PL 32(B)-10 RF f1=1 L=19

BL500-25 RF δ06an=12 dn

PL15(A)-16 RF B=27

WN 500-1