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 Hollandse Signaalapparaten BvfiledCriticalHollandse Signaalapparaten Bv
Priority to IN513CA1992priorityCriticalpatent/IN177658B/en
Publication of IN177658BpublicationCriticalpatent/IN177658B/en