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DE2946103A1
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Two-part helically fluted drill - has shank formed by bush internally contoured to fit flutes, thus providing driving connection
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DE2945635A1
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Helically fluted drill contg. coolant ducts - has cutting bits at tip on seating faces at acute angle to helix direction near tip
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GB1196196A
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Machine for Grinding Twist Drills
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GB1161863A
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Method of Manufacturing Twist Drills or Similar Tools, and Tools, especially Twist Drills Produced by Same.
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US3533310A
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Method of making files
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DE1652654A1
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Method and device for crown rolling the toothing of toothed wheels
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GB1203092A
|
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IMPROVEMENTS IN OR RELATING to FILES
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FR1352473A
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Machine for flanking the cutting edges of a step drill, a step milling cutter or the like
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US3138903A
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Machine for relief grinding tools
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FR1340569A
|
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Twisting machine, in particular for drilling tools
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US3175547A
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Device for dressing grinding discs
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FR1205293A
|
|
Method and device for sharpening twist drills
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FR687288A
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Rolling device for the production of blanks for twist drills
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