| (84) |
Designated Contracting States: |
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AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO SE SI SK SM TR |
| (30) |
Priority: |
26.06.2009 WO PCT/US2009/003845
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| (43) |
Date of publication of application: |
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02.05.2012 Bulletin 2012/18 |
| (73) |
Proprietors: |
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- Epiroc Rock Drills Aktiebolag
701 91 Örebro (SE)
- Epiroc Drilling Solutions LLC
Garland, Texas 75040 (US)
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| (72) |
Inventors: |
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- JIAO, Deyi
Plano, TX 75024 (US)
- CHENG, Eugene
Plano, TX 75023 (US)
- SINNERSTAD, Jonas
S-702 28 Örebro (SE)
- GUSTAVSSON, Hans
S-703 78 Örebro (SE)
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| (74) |
Representative: Ehrner & Delmar Patentbyrå AB |
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Drottninggatan 33, plan 4 111 51 Stockholm 111 51 Stockholm (SE) |
| (56) |
References cited: :
EP-A2- 1 988 438 US-A- 3 666 025 US-A1- 2009 025 947 US-B1- 6 732 813
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WO-A1-2008/115113 US-A1- 2008 223 467 US-B1- 6 209 662 US-B1- 6 772 134
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