4. Powder metallurgy processes
  5. Powder metallurgy processes with heating or sintering
  6. Powder pretreatment

Masahide Umino

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Casting components made from a tool steel

Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Reexamination Certificate

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Method of producing tool steels

Metal treatment – Process of modifying or maintaining internal physical... – Utilizing disclosed mathematical formula or relationship
Reexamination Certificate

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Oil-atomized low-alloy steel powder

Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Patent

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Process for producing alloy steel powder

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder pretreatment
Patent

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