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Application filed by Burd Jagger PeterfiledCriticalBurd Jagger Peter
Publication of CH54979ApublicationCriticalpatent/CH54979A/fr
CH54979A1911-03-031911-03-03Noyau rétrécissable pour le moulage en forme tubulaire de mâts, poteaux, poutrelles, colonnes, etc. en ciment, béton, etc.
CH54979A
(fr)