HG/T 20592  法兰 SO 150(B)-25 RF..5R

SO 150B-25 RF..5R

WN350-150GF0-RJ5-R R

DN65-PN40 WN M8080@40 RF@RF@443RF@AFFN RF

PL250-100 RF0ff4/-1.

DN1200 -PN16PL RF RCmpampSc2@RF@443RF@AFF

WN8"-2500 RF

wn200-25fm a=219 b=20

pl65(b)-16 rf b=2 d=122

5 RF 2200-4.020 RFR Sch�7.5 RJ5 RJ620F@0