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Priority to FI941902ApriorityCriticalpatent/FI96583C/fi
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Publication of FI941902ApublicationCriticalpatent/FI941902A/fi
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Publication of FI96583BpublicationCriticalpatent/FI96583B/fi
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Method of preventing solidification of molten metal in the outlet of a casting vessel and casting apparatus for molten metals for carrying out the method
Dispositivo para o fechamento hermetico de uma abertura de recipiente,especialmente de um recipiente de vidro mediante uma fina tampa de fechamento,em especial de metal
Dispositivo di sicurezza, in particolare per casseforti, per l'apertura di un battente mediante combinazione variabile casualmente dopo ogni chiusura.