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Priority to SE546352ApriorityCriticalpatent/SE148396C1/sv
Publication of SE148396C1publicationCriticalpatent/SE148396C1/sv
A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
A01B35/02—Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools
A01B35/04—Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools drawn by animal or tractor or man-power
E—FIXED CONSTRUCTIONS
E21—EARTH OR ROCK DRILLING; MINING
E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS