NB/T 47023  法兰 FM 700-0.6H=108δ=700FF b=2h80SRF Sch80S6 RFF)--1.0RF229-

47023 FM700-0.6H=108δ=700FF b=2h80SRF Sch80S6 RFF)--1.0RF229-

47023 FM400-6.4 S=12 δ0= δ1= R=

SO 200A-16RF S=00b3/

PL 50(B)-16 RF S=3F S=31.05/

BL 200-150 RF

SO 200b-25 FM2-160 δ=82 h2023FSH1=

3 M 1400-1.6F RFSM0 R1RF@40@40H4l重

wn250-100 r