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 GB1988173Aexternal-prioritypatent/GB1459784A/en
Application filed by Croftshaw LtdfiledCriticalCroftshaw Ltd
Priority to IN2138/CAL/76ApriorityCriticalpatent/IN143900B/en
Publication of IN143900BpublicationCriticalpatent/IN143900B/en