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ES310292A1
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Improvements introduced in the manufacture of materials or exotermic bodies. (Machine-translation by Google Translate, not legally binding)
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GB1117091A
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Improvements in electric motor control systems
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GB811630A
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Improvements in and relating to foundry moulds and cores
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GB810988A
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Improvements in and relating to foundry moulds and cores
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GB770757A
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Improvements in and relating to the casting of metals
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GB770756A
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Improvements in and relating to the casting of metals
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GB745668A
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Improvements in and relating to the casting of metals
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GB710099A
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Improvements in or relating to the production of moulds, cores and the like
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GB712900A
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Improvements in and connected with the treatment of aluminium alloys
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CA531968A
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Production of moulds, cores and the like
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