CPC Subgroup
E01D 15/08 Drawbridges
Full Title
Movable or portable bridges; Floating bridges > Bascule bridges; Roller bascule bridges, e.g. of Scherzer type > Drawbridges
E01D 15/08 Movable or portable bridges; Floating bridges > Bascule bridges; Roller bascule bridges, e.g. of Scherzer type > Drawbridges