NB/T 47021  法兰 RF 650-0.6

1 RF 650-0.60

BL50-300RF SCH40

a 1400160-4.0A)-1@Fb RF)-25 sch80S4390 N6 T

2 FM2400-0.61

NB/T47021FM 1000-0.6 δ=70

3 C31M/-1-22h40S96

APB-7B1)-0-s/@w

SO3/4"-150M

2 RF 1400-1.0 δ1=1080S@RF@F80l.50�RF.5 A=

3FM 600-1.6δ=8RJ SB0-1.0RF-c-150RFBG