GB/T 12459  同心异径管 DN 200×50-8RC

DN 200×50-8 RC

AXC-45-8

SO 25-150 RF

PL150(B)- 25RFNSI B16F

PL 200-16 RF

SO250B-16Go200-16 rf6FscM 1300-0.25/55â142F-16fg

PL100(B)-10 RF

WN300-900 RJ B=280 Sci2S=3FRF/F-16/Kpquo6004

DN300/PN40/01B12(00@409@X@b40S1F250-1RFF25MK0/r-a

wn35-25 rfFFFml0