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.)
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Priority claimed from IN343/CAL/86Aexternal-prioritypatent/IN165731B/en
Priority claimed from FI882691Aexternal-prioritypatent/FI80853C/sv
Application filed by Applied Ind Materials Corp AmifiledCriticalApplied Ind Materials Corp Ami
Priority to IN409/CAL/89ApriorityCriticalpatent/IN171944B/en
Publication of IN171944BpublicationCriticalpatent/IN171944B/en