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ETERNIT SOCIETR PER AZIONI
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ETERNIT SOCIETR PER AZIONI
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Un método para aplicar por medio de presión los extremos hembra para tubos de fibro-cemento caracterizado porque el extremo hembra se realiza colocando en el extremo del tubo sobre el cual debe aplicarse la hembra por lo menos un elemento tubular que tiene una forma que corresponde a la cabeza hembra cuando está terminada y sometiendo luego el conjunto a presión conveniente de modo que las diferentes partes fragüen recíprocamente no teniendo en la zona de paso de la hembra al tubo ningún deslizamiento sustancial del material.
ES0218927A1954-06-071954-12-10Un metodo para producir bajo la accion de presion extremos hembra entubos de fibrocemento
ExpiredES218927A1
(es)