DIFF Subgroup
B27N 3/186 Full Title
Manufacture of substantially flat articles, e.g. boards, from particles or fibres > Moulding or pressing (presses in general B30B) > Auxiliary operations, e.g. preheating, humidifying, cutting-off
B27N 3/186 Manufacture of substantially flat articles, e.g. boards, from particles or fibres > Moulding or pressing (presses in general B30B) > Auxiliary operations, e.g. preheating, humidifying, cutting-off