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
Priority claimed from DE19777714038external-prioritypatent/DE7714038U1/de
Priority claimed from DE19772729966external-prioritypatent/DE2729966C2/de
Application filed by Schott RuhrglasfiledCriticalSchott Ruhrglas
Publication of MX6536EpublicationCriticalpatent/MX6536E/es