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ES8701362A1
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Solar ventilation system
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PH19773A
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Installation for the manufacture by a continuous process of compound panels for building construction
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US4541164A
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Installation for the manufacture by a continuous process of compound panels for building construction
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ZA8303359B
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Installation for the manufacture by a continuous process of compound panels
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ES8502192A1
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Procedure for construction of prefabricated concrete houses.
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ES8204789A1
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A lightweight forjaf system for construction
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ES271729A1
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Improvements in the formwork for construction of floors (Machine-translation by Google Translate, not legally binding)
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