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Gas spring
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Patent number 5,702,091
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Issue date Dec 30, 1997
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Draftex Industries Limited
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Etienne Perrin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Disassemblable ball and socket joint
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Patent number 4,895,472
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Issue date Jan 23, 1990
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Airax
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Dominique Dony
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lockable pneumatic spring
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Patent number 4,871,149
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Issue date Oct 3, 1989
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Airax
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Dominique Dony
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Pneumatic spring
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Patent number 4,736,824
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Issue date Apr 12, 1988
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Airax
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Dominique Dony
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...