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US2013127123A1
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Rotation tool installation and removal device and said rotation tool
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US2010226728A1
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Core cutter
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JPS56105094A
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Drill bit
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Apparatus for forming holes in plate glass
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JPS569111A
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Core drill for hammer and for producing vibration
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Apparatus and method of forming holes in plate glass
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Core drill for making a hole in a glass plate.
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CH628866A5
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Method for the hollow drilling of glass panes and hollow drill for carrying out the method
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DE2823031B1
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Method and core drilling tool for sawing a hole in a glass plate
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JPS54128889A
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Glass plate drilling method by coreedrill and its device
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JPS54128888A
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Core drill for metal
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JPS5446103A
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Core drill for drilling
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JPS543985A
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Core drill
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JPS53106986A
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Core drill for use in glass
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JPS5334603A
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Drilling device for hammer drill
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JPS5334602A
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Drilling device for hammer drill
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JPS51121880A
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Core drill
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JPS51115386A
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Method of grooving concrete
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NL7414094A
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Tube drill.
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