HG/T 20592  法兰盖 BL 500-16 RFS19

BL500-16 RFS19

SO32B-40MaRFmpam

SO 80(B)-16 RF b=4

BL10"-150 M

PL400(B)-10 M-16

BL200-10 RJ0 Schf@n L 300Am1@F5mp-�h40S1

SO 80(B)-16 RF

WN50-600RF Asm

PL 250(B)-10 RF40f/RF66SCH40-150

1 FF 1500-1.620δs=1230ff/FJ S=10RF-δs=00(B)-25 RF.6 S=2.5