HG/T 20592  法兰盖 BL 250(B)-10 RF P/BL500-16/п═б╟п═р╧п║с╝п▓

Bl250(B)-10RF P/BL500-16/п═б╟п═р╧п║с╝п▓

BL400-600 m-�CH20.6500A-100RF S

wn15b)-16 RF/0-f

JSO 100×150(B)-16 RF70-1.6/200-1.0FR1-46F)40-16rº0

3 RF 900-1.6 δ0=8.5 C1=14.2fRc3/u0/am253500=4Ampampnbsp h

PL350-25rf0-1/F RF00-S=40G