GB/T 12459  等径三通 DN 250-Sch80STS

DN 250-Sch80S TS

SOP FF 10K 25AJ

SW 10(B)-10 T�@5c2@RF@443RF SCH40S6 RF&ampampampam

wn 350-300 rf sch40fRSSCH40S�ذ@5@3@0R

BL50(B)- 600RF

so125(b)-25m

bl20-100fmpn

TH 25(B)-160 RFF Sch80S@RF@40fF Sc.5 R76

WN 600(B)-25 FF 10

bl150-16rf40s0 RF6c