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Fixed point seismic buffer system
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Patent number 5,775,038
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Issue date Jul 7, 1998
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J. Muller International
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Gerard A. Sauvageot
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rapid transit viaduct system
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Patent number 5,231,931
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Issue date Aug 3, 1993
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J. Muller International
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Gerard Sauvageot
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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