| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL
PT RO SE SI SK TR |
| (30) |
Priority: |
10.08.2007 JP 2007209991
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| (43) |
Date of publication of application: |
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19.05.2010 Bulletin 2010/20 |
| (73) |
Proprietor: Hitachi Construction Machinery Co., Ltd. |
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Tokyo 110-0015 (JP) |
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| (72) |
Inventors: |
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- TSUKADA, Hidenobu
Tsuchiura-shi
Ibaraki 300-0013 (JP)
- NAKAMURA, Kazunori
Tsuchiura-shi
Ibaraki 300-0013 (JP)
- NAKAMURA, Tsuyoshi
Tsuchiura-shi
Ibaraki 300-0013 (JP)
- YAMAZAKI, Yasuo
Tokyo 105-0003 (JP)
|
| (74) |
Representative: Manitz Finsterwald
Patent- und Rechtsanwaltspartnerschaft mbB |
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Martin-Greif-Strasse 1 80336 München 80336 München (DE) |
| (56) |
References cited: :
EP-A2- 0 240 900 JP-A- H06 144 078 US-A- 5 848 664
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FR-A1- 2 656 840 JP-A- H11 166 623
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