HG/T 20592  法兰盖 BL 250-25 RF@a 1©Б.5/¦ÂChh2c)2-12040rf1.

BL250-25 RF@a 1©Б.5/¦ÂChh2c)2-12040rf1.

WN 600-150 RF rf/f s=7mm 1

BI 540/F--6.017=1

PL 150(B)-10 RF S=300S59

20592WN500A-16RF5F0RF5230RJS=4CH80S-

wn65-10 RF A=76 S=3.73*7.1/0)so1f1==4rf-25G-164106i

PL 450-25 rfA=60.56;ampamp;amp;/3 B=)

WN 8