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Hoffmann Dieter

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Featured researches published by Hoffmann Dieter.

Archive | 1975

Switch point for underground rails - has two hinge tongues connecting branch and main lines and slide rod between

Hoffmann Dieter; Widiger Hans

Archive | 1978

Mine gallery overhead conveyor system - has remote operated tilting system for discharging chain suspended containers

Widiger Hans; Hoffmann Dieter

Archive | 1975

GERAET FUER EINE SCHIENENSTANDBAHN, INSBESONDERE DES UNTERTAGEBERGBAUS

Widiger Hans; Hoffmann Dieter

Archive | 1975

KREUZUNGSWEICHE FUER EINE EINSCHIENENHAENGE- ODER -STANDBAHN, INSBESONDERE FUER DEN UNTERTAGEBERGBAU

Hoffmann Dieter; Widiger Hans

Archive | 1981

Pulley chassis components for cable haulage system - opt. made from reinforced polyamide or polyurethane moulding materials

Widiger Hans; Jahnke Nikolaus Dipl Ing; Hoffmann Dieter

Archive | 1978

Mine gallery overhead conveyor system - has brake with arms swung inwards to force shoes against web of overhead beam

Widiger Hans; Hoffmann Dieter

Archive | 1977

Transportation trolley for railways in mines - has built in unloading unit for containers with hydraulically pivoted levers

Hoffmann Dieter; Widiger Hans

Archive | 1976

Monorail mine track crossover points - with frame hinged to bearing blocks at rail ends

Hoffmann Dieter; Widiger Hans

Archive | 1979

Travelling crane for use in mines - has horizontally arranged pneumatic or hydraulic cylinders to lift load using system of pulleys

Widiger Hans; Hoffmann Dieter

Archive | 1978

Mine gallery overhead conveyor system - has longitudinal piston and cylinder driving chains for raising and lowering lifting hooks

Widiger Hans; Hoffmann Dieter

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