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Herbert Obermaier
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Zeltweg, OE
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last 30 patents
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Patent Grant
Dividing cutting machine
Patent number
3,972,429
Issue date
Aug 3, 1976
Vereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan Aktiengesellsc...
Siegfried Sigott
E21 - EARTH DRILLING MINING