GB579380A
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Improvements in or relating to wrought metal electrical resistance materials
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GB569784A
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Improvements in or relating to the manufacture of clad metals
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GB578774A
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Improvements in or relating to wrought metal electrical resistance materials
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GB569779A
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Improvements in or relating to the manufacture of heat exchange devices
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GB578223A
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Improvements in or relating to copper alloys
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GB577597A
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Improvements in or relating to copper alloys
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GB578873A
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Improvements in or relating to copper base alloys
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GB578874A
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Improvements in or relating to copper base alloys
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GB577170A
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Improvements in or relating to hard copper alloys
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GB546492A
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Improvements in or relating to composite materials for use in fuel tanks
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GB537404A
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Improvements in or relating to copper base alloys
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GB515455A
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Improvements in or relating to the production of decorative finishes on metal products
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