HG/T 20592  法兰 PL 30-16 FF R5 r0RF SCH41aF R

PL30-16 FF R5 r0RF SCH41aF R

wn150(a)-600 Rjrf s B=1CHp┬ р-1.=18

JWN 50×80(B)-16 RF S=RcRF-6

pl400b-6ff005 RF S

BI200SF0SOF0M S

SO 200-150 RF0PL RF Ⅱ00

DN200-PN6 PL RF Ⅱ RFmp-9

SO65B-16MFe.4F-1ch

BI 600pquh16-1.0-1551L=19u0=3/4rfru083/ch4

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