HG/T 20592  法兰 PL 800-16 RF.6/

PL 800-16 RF.6/

WN 300-150 RF Sch405RFBL450k638592-S=78.5 GB

PL100B)-10RFm5-300rf2009/RF Sch40RF Sch40 RF

PL65(B)-16RF BB0.6F SCH10-1.6F S=1--1SC/49 H0J0S

SO 200-150 RF0/8

SO 250(B)-40 RFpa

SO65(B)-16FM b=416.5170 k6Sch606

WN100-100RF S=11

WN 40-63 M