GB/T 12459  等径四通 DN 1000-Ⅱ-8CRSFF500H=164

DN 1000-Ⅱ-8 CRSFF500H=164

WN100(A)-40MFFFb0rf1001

WN 6"-1500 RJ Sch100-25 RF=4�A2-

WN 300-300 RF S=7.86MF2 RF/116B

PL150(B)-16RFJ=3mpa12

法兰 PL32(B)-16RF

SO450(B)-10Ff

WN 15-150 m0 RF Sc

PL 600-6 RFfh45-63rf1550MFD-16RFF Sch

1 RF 50