HG/T 20592  法兰 PL 50(B)-25 Gs=14F rf-rf h=355 s=8S=12

PL50(B)-25gs=14F rf-rf h=355 s=8S=12

WN 3"-150 RF Sch40S

PL 65(B)-16 RF D=184 C=19 n=4 f1=2.8

WN 20-300 RF S=2.110s3.0pamp)-2cH0-16rf

bl350(a)-10RF/ h1rfu00060 Rch.

BL 40-600 RF5F6 RF RFRF350-103=3

PL65(B)-16 RF f1=3 n=4 d=120 b=0 SC

WN 1"-