GB/T 12459  弯头 DN 50-490ES bl6 δ0

DN 50-4 90ES bl6 δ0

SO25(B)-40RF d

PL 32(B)-6 RF3.50-0.25h A=42.4 SC

PL 40-16 FF2 D0R80

WN25-150 RF S=4.5/S30.50/8.

PL200(A)-16RF HG5 rf�

3 FM 2500-1.0RFRF1h

47065.3 C509F RF

BI 300000

WN150-150 RF sch40/-2 /uR0 d=2000000-s/1208 &b=127180h����BL@