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Priority to FI851166ApriorityCriticalpatent/FI77072C/fi
Publication of FI851166A0publicationCriticalpatent/FI851166A0/fi
Publication of FI851166LpublicationCriticalpatent/FI851166L/fi
Publication of FI77072BpublicationCriticalpatent/FI77072B/fi
Application grantedgrantedCritical
Publication of FI77072CpublicationCriticalpatent/FI77072C/fi
Foerfarande och anordning foer att faststaella beskaffenheten av en berg- eller stenvolym samt haollfastheten av daeri infaestade faestelement saosom bergbultar.