HG/T 20592  法兰盖 BL 100-100 RF0-20RF@h�0S0.2/M4000 R@RFSp&@t.5)-16 M

BL100-100 RF0-20RF@h�0S0.2/M4000 R@RFSp&@t.5)-16 M

PL 150(B)-25 RF

LWN25-150 RF B=24.

BL 150-300 RF

SO 200(B)-40 RF

WN 200(B)-25 FM S=6

法兰 PL65-16 RF HG/

B WN 900-150 RFrum108RF c0

47023 rf800-4.0/70-155

SO20-40 FM.5F-2f/@ff3RF0s/685 WN45champ5