NB/T 47023  法兰 C-M 2600-6.4/20δ00RF00 RF SCH40ni1-40RF S=20-930)F/n

3 CM 2600-6.420δ00RF00 RF SCH40ni1-40RF S=20-930)F/n

So 20-150 RF0rf=7 a

eha1000*8-1902.50-1

BI 2600 h=250N40-2500RJ0(B)

pl700(a)-2.5rf1001ц┐ф�

WN 700-150 RF B=685

LWN 125-600 FM Sch1406r5mA6M90 S=200

BL80-16RF C0RF=7s42pl1.0/.50020595

47021 M