GB/T 12459  等径三通 DN 50-Ⅱ-5TSRFSch80RF023 rf11/fF-

DN 50-Ⅱ-5 TSRFSch80RF023 rf11/fF-

WN100b-16RF S=6=1800b3/u00e2=0 r

PL20(B)-25 RF ,HG/T

2 FF 450-4

pl450a-16ff0mpa

PL 25(B)-16 RF S=120T-f/@aRF-10R

PL 25(B)-16 RF S=120T-f/@aRF-10RF

BL65-900 Rj/F0RFf b=3 d=78 &/FH=10f/@SO/ampampamp

47023 RF2200-0.6