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Safety hook with immobilizable locking lever
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Patent number 6,283,523
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Issue date Sep 4, 2001
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Etablissements Ludger Simond société anonyme
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Ludger Simond
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Karabiner with dynamic locking feature
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Patent number 5,577,304
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Issue date Nov 26, 1996
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Etablissements Ludger Simond Societe Anonyme
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Ludger Simond
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Self-locking snap-hook
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Patent number 5,187,844
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Issue date Feb 23, 1993
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Etablissements Ludger Simond, Societe Anonyme
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Ludger Simond
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...