GB/T 29465  法兰 C-RF 1450-2.5ampamp0000S. hF S28.0–Α–ë��)-25RF0f dҖ

5 CRF 1450-2.5ampamp0000S. hF S28.0–Α–ë��)-25RF0f dҖ

WN 28"-150 RF Sch40

47023 ff 500-1.0RF2

WN300-150FF STDRF b-150 RF91254t050h40110 RFB3h10S 90ESrfRh804

pL150-16 RF00-1.0-15FrvF0rf0-GB/T9119-201ceRF0 RF SRF8 RF

WN 50-150 RF0 RF S=6