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 Exploitatie Mij Quod Bonum NvfiledCriticalExploitatie Mij Quod Bonum Nv
Application grantedgrantedCritical
Publication of DK88921CpublicationCriticalpatent/DK88921C/da
Fremgangsmåde til frembringelse af en elektrisk ledende, men ikke tæt mekanisk forbindelse mellem i hinanden indstukne rørformede elementer og værktøj til fremgangsmådens udøvelse.