IT1139081B - Strumento di scrittura del tipo penna a sfera
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Strumento di scrittura del tipo penna a sfera
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Publication number
IT1139081B
IT1139081BIT21403/81AIT2140381AIT1139081BIT 1139081 BIT1139081 BIT 1139081BIT 21403/81 AIT21403/81 AIT 21403/81AIT 2140381 AIT2140381 AIT 2140381AIT 1139081 BIT1139081 BIT 1139081B
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Application filed by Lung Tsai KuofiledCriticalLung Tsai Kuo
Priority to IT21403/81ApriorityCriticalpatent/IT1139081B/it
Publication of IT8121403A0publicationCriticalpatent/IT8121403A0/it
Application grantedgrantedCritical
Publication of IT1139081BpublicationCriticalpatent/IT1139081B/it