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 Wakefield & Co Ltd C CfiledCriticalWakefield & Co Ltd C C
Application grantedgrantedCritical
Publication of DK47101CpublicationCriticalpatent/DK47101C/da
Perfectionnements apportés aux appareils pour mesurer la section ou le débit d'orifices par la perte de charge que subit un fluide s'écoulant par ces orifices