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 Abraham GotlibfiledCriticalAbraham Gotlib
Priority to BE609062ApriorityCriticalpatent/BE609062A/fr
Publication of BE609062ApublicationCriticalpatent/BE609062A/fr