GB/T 12459  弯头 DN 80-Sch1090E3Dh=12.5f5

pl25-6Fmch40F6�5rfmrf500-2.560t-s/@b wn1000-150 rf

DN 80-Sch10 90E3Dh=12.5f5

SO25-150RF79F0/=

BL 15-300 RF0112.6rfbFr

PL 10(B)-40 RF00R

3 FM 700-2.560-12.5080-105250(A)32 rch0-1.6/

WN 200(B)-25 RF4040FftmF

DN350-PN6 PL RF Ⅱ f1=2.5 C=23 D=530

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