GB/T 12459  等径四通 DN 1000-Ⅱ-3CRS

DN 1000-Ⅱ-3 CRS

WN 18"-300 RF S=30

LWN 150-1500 RJ Sch40h80 ScSFcF

PL150A-16FFsc

BL 40-600MB=104EFS�77.5 RJb=40c(F

WN20-25Fm

pl25(b)-16rfxxâ

WN500-150 RJwn3RFS4ط-RF RF/b��77.5 RJ R

WN 100(B)-16 RF B=99/@4

WN 20(B)-25 RF/uF RF 1件ch40s