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2020
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G/S
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Machines and trimming machines; motors, other than for land
vehicles; machine couplings and tran... |
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G/S
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Drilling machines and parts therefor; rock drills; drilling machine supports being structural par... |
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2015
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Invention
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Valve of a hydraulically striking device. A valve of a hydraulically striking device having a hou... |
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Invention
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Hydraulically striking device.
A hydraulically striking device having a cylinder body, the cylin... |
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2007
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Invention
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Rock drill machine. A rock drilling machine includes a frame, and arranged inside the frame is a ... |
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1995
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Invention
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A method and drilling apparatus to adjust the shape of a stroke pulse to be transmitted to the dr... |
