4. Internal-combustion engines
  5. Lubricators
  6. Crankcase, pressure control

Youichi Imagawa

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Four-stroke engine having an improved valve mechanism

Internal-combustion engines – Poppet valve operating mechanism – Plural valve trains – single actuator
Patent

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Lubricating device of four-stroke cycle engine unit for portable

Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent

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Lubricating device of four-stroke cycle engine unit for portable

Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent

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Portable engine unit

Internal-combustion engines – Frame construction – Horizontal cylinder
Patent

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Profile ID: LFUS-PAI-P-1078164

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