GB/T 12459  弯头 DN 80-690ES

DN80-6 90ES

5 T 900-4.0 δ0=16 h5/5060†âB)60S316FΟ¹

BL259-16RF0590..RF0�5�@RF@40fF671@°F5@ s=3.1F6RJs

WN 2"-150 RF.F

1FM700-0.6 δ=48Frf2S=12.7 L=10

WN100-25RF05

b wn800-150 rf s=6.5

SW 40(B)-10 FM

so100-10RF(

LWN50-150RF00 LTM°S@RF@4