HG/T 20592  法兰 SO 125(B)-40 Mch40-1

SO 125(B)-40 Mch40-1

PL 300(B)-16 RF4136

PL600(B)-2.5 RF

WN500-300RF

SO 14"-150 RF

pl300-40ff0RF Sch8000

47065.2 A2

pl100(b)-10 rf d=101

BL40-2500rj/T1SC

LWN 80-150 RF���060944mm0.6-64 δs= S=30FF sch80F s3F=11R3.654-1.C-0.5 B=96-4 S)25R