Tillage implement;Power harrow;Cambridge roller;Twin wheel
Estler, M.
1990

Norwegian roller
Estler, M.
1960

Reversible plough;Furrow press;Reversible plough
Estler, M.
1970

Cultivator-harrow;Toothed packer roller
Kromer, K.-H.
1966

Cultivator-harrow;Toothed packer roller
Estler, M.
1970

Reversible plough;Ploughing;Drilled seed;Toothed packer roller;Seed drill;Four wheel drive tractor;Reversible plough
Estler, M.
1970

Norwegian roller
Estler, M.
1970

Reciprocating power harrow;Seed bed preparation;Crumble roller
Estler, M.
1970

Flat roller
Estler, M.
1979

Chisel plough;Toothed packer roller
Perwanger, A.
1975