弯头 DN 300-Sch80S90ES/

DN 300-Sch80S 90ES/

47023 m1300-4.0/150-296

BL500(B)-25 GRF S.1=2.5J Sc毛

wn250(b)-16 g s=/

PL25(B)-16 RF b=0

47065.2 A56 RFS=600RJ09 W0-300 RF SCH40u00c6

WN80-150RFb)- RF-11

PL100A-16RF BLF4forum..=30 FF1

wn50(B)-300RF ScA

WN50-160 M S=102

pl80