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ES1876005441A1876-04-151876-04-15Mejoras en la ignicion continua de las mechas y en la composicion empleada para la cerillas fosforica en general.
ExpiredES5441H1
(es)
Wärmedämmendes Material zur Verwendung für die Herstellung von Steigern, wärmeisolierenden Abdeckung und anderen feuerfesten Formteilen und Verfahren zur Herstellung von wärmeisolierenden Abdeckungen und anderen wärmeisolierenden feuerfesten Gebilden