HG/T 20592  法兰 PL 65(B)-6 RFF930).2d=5

PL65(B)-6RFF930).2d=5

pl250-16 rf s8

B WN 24"-400 LT

WN100-600 RF S=7p

B WN 900-600 RF S=8=Ffhg2pamp0 RF S

so40(b)-150RF2@RF@4 Rch4755-R/statiRF Sch160 RF Sch10SF �3RF SCH40S6 RF&am300

WN20B)-600RF100-3000CH80

PL300-16RF-1.040M0600-cat

PL 3