HG/T 20592  法兰 SO 800-6 RF2.160F6Sc5 Cรฎam0FFR10RF0FM RF CS๏ฟฝ๏ฟฝ�

SO 800-6 RF2.160F6Sc5 Cรฎam0FFR10RF0FM RF CS๏ฟฝ๏ฟฝ�

PL50B-16RF MX=Y S

3 M 2400-4.020δ0=1Ұ RFrf s=28=40-0.6./-

SO 80-300 RFRF Rfn80"F SFM/

BI 750356r60 RF.8 S=РRF S/

SO 25-150 RF s=3.0

BL500b-6RF-10.afS6FL

SO 800-6 RF2.160F6S