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FR2483336A1
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Variable stiffness vehicle suspension - has hydro-pneumatic or pneumatic struts automatically adjusted by vehicle weight or braking
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FR2252509A1
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Vehicle suspension jack with stabilised extension - working fluid is transferred by pumping action to expansion chamber
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ES110814A1
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A procedure for cutting or rectifying helical elements.
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ES105126A1
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An internal combustion engine.
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CA292666A
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Internal combustion engine
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CA296281A
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Internal combustion motor
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CA296282A
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Process of forming helicoidal elements
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