4. Internal-combustion engines
  5. Valve
  6. Valve seat relation

Hiroshi Oshige

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Process for manufacturing valve seat made of sintered FE alloy a

Internal-combustion engines – Valve – Valve seat relation
Patent

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Sintered Fe alloy for valve seat

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

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Valve system for internal combustion engine

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1855980

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