GB/T 12459  弯头 DN 100-Ⅱ-890ELRF RFf2300 R

DN 100-Ⅱ-8 90ELRF RFf2300 R

WN500B-16RF S=8f0(b

BL 50(B)-16 RF2RFFch8y/2F/mp0f10000c3/u

WN 40-900 RJ Sca

47023-FM 1200-2.5/0973.0ch4

WN350-900 Rf15f-1

WN40B)-63M/-M7 H=16070S1650-

WN 14"-300 RFb0 PLÃ.5f-300

3fm400-4.0ch0592-20/0-1.0�

BI 140