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Displacement control device
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Patent number 4,605,106
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Issue date Aug 12, 1986
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Elastometal Limited
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Edward R. Fyfe
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Expansion joints seal assembly
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Patent number 4,111,584
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Issue date Sep 5, 1978
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Elastometal Limited
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Edward Fyfe
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Expansion joint
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Patent number 3,951,562
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Issue date Apr 20, 1976
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Elastometal Limited
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Edward Robert Fyfe
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES