GB/T 12459  弯头 DN 80-Sch40S45ELRF2592-

DN 80-Sch40S 45ELRF2592-

BL1000(B)-10 RFm

LWN 20-1500 RF Sch10000 RF10 K

wn80(b)-100 rf.S@ rfuFsRF2500 RF-RF�

wn 65-150RF-10RFRF163

47023-WN500-16RF29.06 rf89= C=21

bl300b-25rfF

WN 25(B)-100 FM S=5

WN15(B)-40FMk00mFRF

WN 80-150 RFRF0ned=s-25/4=-FM