Coreless auger manufacture
Erasmus, Johan Lodewikus, Kuhn, Mattheus Willem Johannes, Van Deventer, Hendrick Willem
Year of Publication 15.09.2020
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Year of Publication 15.09.2020
Patent
CORELESS AUGER MANUFACTURE
ERASMUS Johan Lodewikus, KUHN Mattheus Willem Johannes, van DEVENTER Hendrick Willem
Year of Publication 01.03.2018
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Year of Publication 01.03.2018
Patent