GB/T 12459  弯头 DN 150-Sch2090ESRFFSC

DN 150-Sch20 90ESRFFSC

pl125a-16rf15d@L0M091(00 LT300 RF@

PL15b-10 RF…°amp000(B�B.0-8

wn80-600 rf50F CRFb=3 B=160=395

WN125(B)-10RF

SO 100(B)-10 RF00000000

3 RF 900-6.4

PL600-25RJh40T-16RF

bl600-25fm250rj63 RF.

SO 25(B)-16 RFraw.6-1350 Hƒï¾ƒ