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Centralny Osrodek Projektowokonstrukcyjyn Maszyn Gorniczych "Komag"
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Gliwice, PL
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Patent Grant
Driving gear rack cleaner for a mining machine
Patent number
4,240,667
Issue date
Dec 23, 1980
Centralny Osrodek Projektowokonstrukcyjyn Maszyn Gorniczych "Komag"
Janusz Sedlaczek
E21 - EARTH DRILLING MINING
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