HG/T 20592  法兰 LWN 250-63 RJFny/2e b16.

LWN250-63RJFny/2e b16.

WN80-300 RF SCH4=162fSch80114S=5H1S=16.50b67

wn32(b)-40m¾FMS1600-151=301.RF S=7)-6P-1

PL300A)-10RFF5/§a21004mn65(b)-25¾FMS1600-151=301.RF S=7)-6P-1

PL125(B)-25 RF S=6=

PL250(B)-16FM0RFSB)- S=60 RFN=660

wn80(a)-40 rf s=1000c