Ari Kotala

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Tampere, FI

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Patents Grantslast 30 patents

Information Patent Grant
Shank adapter of rock drilling machine
- Patent number D525634
- Issue date Jul 25, 2006
- Sandvik Tamrock Oy
- Ari Kotala
- D15 - Machines not elsewhere specified
Information Patent Grant
Shank adapter of rock drilling machine
- Patent number D508061
- Issue date Aug 2, 2005
- Sandvik Tamrock Oy
- Ari Kotala
- D15 - Machines not elsewhere specified