4. Boring or penetrating the earth
  5. Bit or bit element
  6. Rolling cutter bit or rolling cutter bit element

Hans-Wilm Heinrich

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Cemented carbide body containing zirconium and niobium and...

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Metal and nonmetal in final product
Reexamination Certificate

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Cemented carbide body containing zirconium and niobium and...

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Metal and nonmetal in final product
Reexamination Certificate

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Cermet having a binder with improved plasticity

Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent

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Cutting tool and method of reducing the width of wear mark...

Abrasive tool making process – material – or composition – With inorganic material
Reexamination Certificate

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Elongate rotary tool comprising a cermet having a Co-Ni-Fe binde

Cutters – for shaping – Comprising tool of specific chemical composition
Patent

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Profile ID: LFUS-PAI-P-1600173

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