GB/T 12459  弯头 DN 25-Ⅱ-Sch8090EL RN R

DN 25-Ⅱ-Sch80 90EL RN R

pl50b)-25rfYĖ�

PL50A-16RFH=F/5

A WN 800-150 RF1

1 FF 900-1.0WN 25-900RF/N1000-00RF.0/8/12 s=4RF S=6 CRRc6516FF5-1RFRJrm00-f1=0-150 RF.0/pampampa

WN150-600RF s/ RFRFF S=6 H1

WN400-63 m70 H=

BL25-16 t(B)-25amp

DN800-PN16 PL