Jon R. Swoager

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Convertible rail-highway shuttle car

Railway rolling stock – Trucks – Multidirectional
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Hydrostatic bearing piston for a two-cycle engine

Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder detail
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Multi-purpose vehicle for use underground

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Tracer head

Geometrical instruments – Scriber – Pantographic
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Profile ID: LFUS-PAI-P-282041

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