GB/T 12459  等径三通 DN 800-Sch10STS0P0.63 RF SS=16FS=15 /9 B/R/g/t20S=2

DN 800-Sch10S TS0P0.63 RF SS=16FS=15 /9 B/R/g/t20S=2

SO 200(A)-40 RF b=

WN10-63 RF S=560HG/m‰0RFc R/.25=10 RF5

WN 20(B)-10 T S=9

SW 20-300 RFM Sc500-150 RFRFD=490-pampi2061559200-f/

wn 150-300 rf sch80-10rf21.-

pl700(a)-2.5rf1001เธฃเธ†