GB1134688A
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Improvements in or relating to elastic hollow spring bodies
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GB1090566A
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Improvements in and relating to springs
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ES308543A3
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Improvements in the construction of springs. (Machine-translation by Google Translate, not legally binding)
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GB978240A
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Improvements in or relating to coil springs
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US3161420A
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Spring suspension arrangement in which swinging movement of an element is translatedin an axial thrust on a spring element
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GB966106A
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Improvements in or relating to flexible couplings
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GB755186A
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Improvements in or relating to springs
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CA685438A
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Spring suspension devices for vehicles
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CA817269A
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Springs
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CA799857A
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Elastic hollow spring bodies
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