HG/T 20592  法兰 IF 1200-63 M1616175-25�16.R

IF1200-63 M1616175-25�16.R

pl 300-16 RF

BL600-16RF=8ç›–0R

WN 20(B)-600 RF Swn480Sh S

SO 1 1/2"-2500 RJ

WN 350(B)-16 RF

PL400(B)-16 RF

SO 4"-150 RF

PL 200(B)-10 RF3.5 1/2"-150 RF.610/R

SOP FF 5K 900AF0F40s10��F-16c(816���1@