GB/T 12459  同心异径管 DN 100×65-Ⅱ-6.5RC0-1X=Y0 δ=5c

DN 100×65-Ⅱ-6.5 RC0-1X=Y0 δ=5c

SO 25-300 RF6RF602-2-165o6 RF4570-1655G40SRTSscF405(B)-63 RF S=efcRF5600r

BL50(B)-1500RJ=65 D=152 D=190 KFO80.5R10

DN800-PN25 PL RF ⅡH1=13B0FF=90.5-22(B)-(B)-16R

47023 fm500-1.6 Г®Вҙ=45 h=10

47023 fm500-1.6