HG/T 20592  法兰 PL 150(B)-6 RF-80-2F4F.1-40

PL150(B)-6RF-80-2F4F.1-40

LWN 3"-150 RF Sch40S

BBL900-150 RF

20615lwn80-300rf60S0SrfRF Sch

WN 32-300 RF

WN 32-600 RF

wn 250-25rfsampamp;0.696-m)-40rf54

BL400-2.5 RF HG/T210S1

B WN 850-900 RF S ¼=3.5=8F

WN 3"-300 SM Sch80Sbf/u0rf/1mps=6F R