ES176113A1 - Nuevo procedimiento para la obtención de material de construcción empleando, con el hormogón armado, los cables o cordones d eacero retorcido
- Google Patents
Nuevo procedimiento para la obtención de material de construcción empleando, con el hormogón armado, los cables o cordones d eacero retorcido
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ES176113A1946-12-141946-12-14Nuevo procedimiento para la obtención de material de construcción empleando, con el hormogón armado, los cables o cordones d eacero retorcido
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