HG/T 20592  法兰 PL 40(B)-40 RF s

PL 40(B)-40 RF s

wn500-10rf

WN200-150rf�quot

SP-2

WN 125-150 RF Sch40

WN500-150 RF Sch40

wn400-600rf

A WN 36"-150 RF B=889

SO 50(B)-16 RF

SO 125(B)-16 RF=82.5��ï�F6@5 RJ-1a0860 LT-135MSch40S 1000-300 RF S=10S=10fRF0@RFerv�4RFF-R250aÃ