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Filing date
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Application filed by E MiettinenfiledCriticalE Miettinen
Priority to FI100671ApriorityCriticalpatent/FI47701C/fi
Priority to SE7115914Aprioritypatent/SE393715B/xx
Priority to NO4581/71Aprioritypatent/NO131264C/no
Application grantedgrantedCritical
Publication of FI47701BpublicationCriticalpatent/FI47701B/fi
Publication of FI47701CpublicationCriticalpatent/FI47701C/fi