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 NL8603154Aexternal-prioritypatent/NL8603154A/nl
Priority claimed from NL8701570Aexternal-prioritypatent/NL8701570A/nl
Priority claimed from IN962/CAL/87Aexternal-prioritypatent/IN169926B/en
Application filed by Lantor BvfiledCriticalLantor Bv
Priority to IN49/CAL/91ApriorityCriticalpatent/IN171830B/en
Publication of IN171830BpublicationCriticalpatent/IN171830B/en