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ZA8201583B
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Fixing anchoring bars or the like in structures such as concrete
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Impact-driven masonry anchor bar - has e.g. plastics cap with sharp edge at insertion end and fitted over bar end
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Hole drilling tool for ceilings or walls - has retainer piece fixed to workpiece and engaging inside trepanning bit
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Drill tool connector to rotary spindle - comprises flat plates on connector and tool with mating faces at right angles to spindle
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DE2852630A1
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Drilling machine with lightweight frame - comprises two parallel uprights which guide drill head slide moved by rack=and=pinion
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DE2852680A1
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CONNECTING DEVICE FOR CONNECTING A TOOL TO A ROTATING DRIVABLE SPINDLE
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