HG/T 20592  法兰 WN 500 (B)-63 RFf/@Bh40S�

WN500 B-63RFf/@Bh40S�

lWN20-150 RFf0M1

PL300-25Ms=

WN150-600RF f4mp

SO 40-150 RF)-16

WN150-900 RF B rf SCH600 RF04RF2@BL1

lwn32-300fmgN0ch

WN150A-16RF S=7.5400S0/2-1.009 Sc5 Sch406

47023 RF1000-1.0 δ=60 H=305

47023 RF1000-1.0 δ=70 H=124/f RFG1f5R