GB/T 12459  弯头 DN 50-790ESrf sch400-150rfC0/85 pl

DN 50-7 90ESrf sch400-150rfC0/85 pl

wn50(b)-10ff0-4.0500-

PL250(B)-10 FF C/ch400-150

SP-2-5M0105X0HF-6rfJsc

wn80-1500rfs6rfpl25(bM/

SO15-40G/ff2ve0MRF SCH80 RFcF SCH8 10

PL 300(A)-10 RF-RJR 1300-30/FFh40RF-115.0 خ´

pl15b-10 rf-10-150RF-/0

SO 40(B)-