NB/T 47023  法兰 RF 1800-0.6/70-15

47023 RF1800-0.6/70-15

WN80(B)-16 RF

PL50B-16RF b=3

so 500(B)-16 RF

WN 80-150 RF sch40S

WN 100-150 RF

pl350(b)-10 fm100 RF Sch40S 60f SCH10s

PL250(B)-16RF

WN50-150 RF B=42.5

WN250-300 FM3h40frf70s300-40m.6500(a)0AS6@F.5s=3. scRFFRF16t20590��п0Sp