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 DE19722263087external-prioritypatent/DE2263087C3/de
Priority claimed from GB5725973Aexternal-prioritypatent/GB1457768A/en
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority to IN972/CAL/74ApriorityCriticalpatent/IN140542B/en
Publication of IN140542BpublicationCriticalpatent/IN140542B/en