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Application filed by Hulkkonen Timo Lp MetallifiledCriticalHulkkonen Timo Lp Metalli
Priority to FI874626ApriorityCriticalpatent/FI80516C/fi
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Publication of FI874626ApublicationCriticalpatent/FI874626A/fi
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Publication of FI80516BpublicationCriticalpatent/FI80516B/fi
Publication of FI80516CpublicationCriticalpatent/FI80516C/fi
Corpo cavo tubolare per la trasmissione di forze di pressione trazione flessione e torsione procedimento per la sua fabbricazione nonche dispositivo per l attuazione del procedimento descritto