4. Prime-mover dynamo plants
  5. Starting and generating dynamo

Sven H. Johansson

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Apparatus in electronic ignition systems

Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy
Patent

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Connection device in an ignition system

Geometrical instruments
Patent

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Device for supporting, raising and lowering duct in deep bore ho

Wells – Expansible anchor or casing – Fluid pressure actuated
Patent

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Device in ignition coils

Inductor devices – With outer casing or housing – Potted type
Patent

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Electrically driven hammer machine

Tool driving or impacting – Impacting devices – Hammer head driven by electric motor
Patent

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Profile ID: LFUS-PAI-P-266687

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