GB/T 12459  弯头 DN 65-Sch4090ES)

DN 65-Sch40 90ES)

PL 30010-10 RFF@2FM Sch3F�- RF S=4.78 15h40S.@RFSp&@t.0145@B755-R@0000O0@00ch)0S0

so 150(b)-25 rf

bl500-1500 fm

SO 40(A)-10 RF

WN50B-150RFSCH40S

BL 400(B)-25 M

pl65-6 ff0FampRF

sh/@A WN1000-150 RF

LWN 500-1500 RJ S Sch10S400 Sc2ml