HG/T 20592  法兰 PL 400(B)-25 RF.5 RJ2h1RF6Sc2@RF@443RF@AFF@.5F Sc90 Rp0F.5 RJ-RFF.5M RF RaRF5

PL 400B)-25 RF.5 RJ2h1RF6Sc2@RF@443RF@AFF@.5F Sc90 Rp0F.5 RJ-RFF.5M RF RaRF5

WN 40-150 RF S=10

TH25-300RF N5 RJ00pamp

B WN800-25RF

WN 4"-150 RF Sch40S

B WN1000-150 RF

PL 250(B)-25 RF

BL50-300 RF

BL25-16FFpl200(b)-10rfР1

BI 6000A=12.7��190-