HG/T 20592  法兰 SO 250-16 RF b=6

SO250-16RF b=6

so80-25 fmï�;a

47023 RF1300-1.6/70g206J RF S

SO 4"-150 RF

2 M 1200-0.60SFT6@0000O0@00 S)-10 RF S=3.51

PL 150(B)-10 RF

WN50A-40M

2 RF 750-140schwn15FT f2Fs565 N=RJ S50r06

BL 450-6 RFª=300-1.6/10��@MRFF6servFSRngSj B2

LWN