4. Powder metallurgy processes
  5. Powder metallurgy processes with heating or sintering
  6. Making composite or hollow article

Jung Seok Oh

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Sintered alloy for valve seat having excellent wear...

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

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Synchronizer ring and manufacturing method thereof

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Making composite or hollow article
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2019505

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