HG/T 20592  法兰 SO 800-10 FF S=3.51cBh050

SO 800-10 FF S=3.51cBh050

WN150(B)-150RFS=7.1

WN 20"-150 RF

bl50-100 FmSFtg0-169225/70

WN 50(B)-16 RF01001065 LFM� T0bch80

WN 50(B)-25 RF S=4

3 C8500 TRF1000AFF..0hFF500 LM300 SG STt=816 RFRJ5 RJ-1a0860 LT-13

2 B2

20615LWN450-300RF

SO 50(B)-16