弯头 DN 32-545E3DH

DN 32-5 45E3DH

PL 80(B)-16 RF b= D=1

wn100-300 rf1002hgcadã¨â®âºã¥â�â

PJ/SE 40(B)-16 RF

法兰WN50-150 RF S=50.3.htmaM

NB/T47023 RF1400-0.60RFFF h1=840RF1000-2 A2-800

PL300-16RF0-1653 RE(A)-0RF/

47023 fm600-1.6/50-1110RF 12 RF0(B)-1

SO 40