GB/T 12459  弯头 DN 100-Ⅱ-4180ES

DN 100-Ⅱ-4 180ES

BL250(B)-16 fF

SO500(B)-16RF

BL255-100 M/s1@В°F5@PFRF-150 FF5RF

WN70-150RFh16

BL 200-16 RFK=225 d=20.6

WN 36-300 RFLMF0 S

SO 10"-150 RF¢F2@4@40RF9RF Sch RRF5RF063.��@4

LWN 100-150 RF Sch800 RF Sch160=290Sch120sss.5 R

WN