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US1989667A
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Cutter for forming twist drills
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CA916908A
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Circular saw blades or side-milling cutters with teeth of facet design
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CA916909A
|
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Circular saws with faceted teeth
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CA660473A
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Cemented carbide body having wettable surface and method of producing same
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CA656788A
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Gun drill sharpening device
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CA529146A
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Gun drill
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CA225194A
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Device for testing machine ability of material
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CA357503A
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Twist drill forming machine
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CA304046A
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Cutting tool
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CA658592A
|
|
Drill construction
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CA378564A
|
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Boring tool
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CA546964A
|
|
Self-thinned heavy-duty twist drill structure
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CA378439A
|
|
Rotary tool
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CA489091A
|
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Gun type drill
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