GB/T 12459  弯头 DN 100-Ⅱ-Sch40S90ES

DN 100-Ⅱ-Sch40S 90ES

3 M 900-4.0 δ0=14

SO 400- 16 FFSch4

WN153-600RFÂ5@PSF=

WN 20(B)-40 RF S=3

BL175-16RF/h40STDc0 90ES

20592 WN200B-63FM

PL1125(B)-16 RF-1010u

pl25-25 RF

WN80(B)-16 RF S=5.5h40SRF Sch1200S0 rf16 RF2u00bc=1502=4FM@p2600f/@A BL100