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| Patents for A01B 43 - Gatherers for removing stones, undesirable roots or the like from the soil, e.g. tractor-drawn rakes (814) |
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| 09/09/1980 | US4221265 Rock picker | | 08/05/1980 | CA1082929A1 Rotary rock picker | | 06/10/1980 | US4206812 Rotary rock windrower | | 08/07/1979 | CA1059772A1 Rock picker windrower assembly | | 05/08/1979 | US4153114 Rock picker with kicker roller | | 04/04/1979 | EP0001234A1 Two-coat, one fire enameling with electrostatic deposition of the frit powders | | 02/20/1979 | CA1048791A1 Rock windrower | | 09/12/1978 | US4113023 Multiple shaft, ground-raking attachment for bucket-equipped tractors | | 11/22/1977 | US4059158 Rock and root picker | | 08/09/1977 | US4040490 Rock windrower | | 08/09/1977 | US4040489 Rock picker | | 06/14/1977 | US4029151 Stone gatherer with discharge conveyor | | 02/01/1977 | US4005755 Machine for rock removal and soil cultivation | | 09/21/1976 | US3981365 Rock gathering machine |
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