NB/T 47021  法兰 M 550-1.6SFJe3 rп╠Б∙≤я▐Б■°п▒Б┬≥Б∙■п©б╘п╠Б∙≤п©Б√▓п▒

1 m550-1.6SFJe3 rп╠Б∙≤я▐Б■°п▒Б┬≥Б∙■п©б╘п╠Б∙≤п©Б√▓п▒

BL500-16 RF

WN 20(B)-16 RF S=3.5

SO600(B)-16 RF K=10ñ

20615wn150(B)-300FM0.02.5/S02am38aS2-170 ãž00m

BII 2200sp-16 mN80-2

PL50-16 RF ๅ†…ๅ�