Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heikki Aimo Antero HeinofiledCriticalHeikki Aimo Antero Heino
Priority to FI940138UpriorityCriticalpatent/FI1345U1/fi
Publication of FIU940138U0publicationCriticalpatent/FIU940138U0/fi
Application grantedgrantedCritical
Publication of FI1345U1publicationCriticalpatent/FI1345U1/fi