Rolling shutter with plastic slats - rolls up transparent slats through wide entry slit in housing and on to its shaft which is fitted with sleeves to increase its radius
DE3932854A1
Insulated wall panel for heating chamber - has flat heater element covered by perforated internal wall
DE3920776A1
Hopper car with control of side discharge opening - has steplessly controllable regulation of closure element using hydraulic cylinder
DE3639593C1
Unloading device for bulk goods trolleys with free-swinging side flap
DE3514656A1
Roller shutter/window arrangement
DE3114821A1
Roller blind for screening glass surfaces
DE2344186A1
Portable suitcase-like drawers for cupboards - have fixed or detachable lids to allow contents to be transported effortlessly
