GB/T 12459  偏心异径管 DN 40×15-Sch120RE0-5pl65-16

DN 40×15-Sch120 RE0-5pl65-16

PL65-25RF D=180

WN 32b-16 RFch40RF D-45=13 C

PL100(B)- 6FFRFf-3 9h40S-85/B1=0cd6

WN 40-900 FFf106-

PL20(B)-10 RF35)-=40RF Sch40ampRF0s

WN50-600 RF S

wn600-16rf/A(B)-66RF S＝4.0

WN32(B)-63 RF2Sc0S0F1c9

WN15(B)-100 m5