4. Internal-combustion engines
  5. Combustion chamber
  6. Having coating or liner

Lars E. Larsson

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Drill steel

Boring or penetrating the earth – With tool shaft detail
Patent

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Insulation material and method of applying the same to a compone

Internal-combustion engines – Combustion chamber – Having coating or liner
Patent

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Percussion drill bit having centrally projecting insert

Boring or penetrating the earth – Bit or bit element – Nonsymmetrical bit
Patent

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Rock drill

Pipe joints or couplings – Particular interface – Tapered
Patent

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Rock drill

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements
Patent

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Profile ID: LFUS-PAI-P-418066

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