4. Solid material comminution or disintegration
  5. Apparatus
  6. Cooperating comminuting surfaces

Charles P. Hallez

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Circular saw for stony materials

Stone working – Sawing – Rotary
Patent

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Cutting arm

Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent

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Device for closing a core barrel installed in a drilling rig

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
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Surface-dressing rollertool

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
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Threaded joint for drill rod elements

Pipe joints or couplings – Particular interface – Tapered
Patent

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Profile ID: LFUS-PAI-P-240477

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