HG/T 20592  法兰 WN 250-10 RF(B)6/56RFpa0-000-RF N6173

WN250- 10RF(B)6/56RFpa0-000-RF N6173

SO 15-300 RF0 RFRF S

PL80-16RF B=84/1120RJ11f

Wn65a-16rfRF0.67.0F0-1=8S=1010C=1/0(b)-1

LWN 50-600 RF Sch160 H=1

BL15-900RJ50 RF0(F6/38-100.6/64B)-16R

SO 65(B)-16 RF164.0ch402(B)-10RFh40oth

BII41000Р‘

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