GB/T 12459  弯头 DN 25-Ⅱ-490ELpampampa-10r

DN 25-Ⅱ-4 90ELpampampa-10r

SO 8"-150 RFS=5f0AA150 RF8580/u.FRhFR

PL 100(B)-10 FF.BB=42rf65par0SF.3J00

PL 600(B)-16 RF

PL 25(A)-16 RF

WN80(B)-16 RF

SW 1"-150 RF

WN 40(B)-16 RF S=4

BL10-150 RFRF

SO250(A)-16 FMFor＜wn212060F B1=116fo6mx-