ES317935A1 - Construction system by parts assemblies without the use of screws. (Machine-translation by Google Translate, not legally binding)
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Construction system by parts assemblies without the use of screws. (Machine-translation by Google Translate, not legally binding)
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
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Abstract
Construction system by assembly of pieces without the use of screws, which preferably have a rectangular section and are used in particular for the composition of models, characterized by assemblies with male and tongue on all six sides. (Machine-translation by Google Translate, not legally binding)
ES0317935A1964-10-101965-09-29Construction system by parts assemblies without the use of screws. (Machine-translation by Google Translate, not legally binding)
ExpiredES317935A1
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