NB/T 47022  法兰 RF 1600-1.0A B

2 RF 1600-1.0A B

pl 100(a)-6rf,'/@wn100-150

BL15-10RFп╟п÷п╒п┴п╟

LWN 400-300 RF.0F BLп

HP-2 п╩Б■░Б■╛п∙п╩п┴п

so100-25ff–†–Л

NB/T47023 FM400-2.5Рҝ©БвҲҡв–“Рҝв–’

pl50(a)-2.5 rf26RFRF0-/4