GB/T 12459  异径三通 DN 80×80×65-5TR

DN 80×80×65-5 TR

WN 40(B)-25 RF Sch20

20615 WN 200-600 RF B/SF1/=6a455 RF S=6 sch. sown20(

WN600(a)-10RF0 RJ Sch100cF@ï؟½

SO 15-300 RF

20592 wn200-40 m

20592 BL250-16RF rtm

WN499(B)-40 RFأ/a RJf00�´FFFFГҜШҹВҪ&0@407.5 RJ RFfff

SO 15(B)-