GB/T 12459  偏心异径管 DN 400×15-Ⅱ-8REam s

DN 400×15-Ⅱ-8 REam s

LWN 40-150 RF=247l25(b)(b)-2ƒÆ’Ãb=F5foru60

SO200(B)-16 RFt2110s

PL 32-16 RFch8/c H=309

LWN 80-600 RJ B=62��

47023 rf1500-0.6 /u00ce/u0

so10-6rfforumch/50-ch0/f

SO 250-150 RF350(B.6/62)5

SO150(B)-16Grf16 &a/u0 Sch80

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