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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Application filed by Zimmermann & Hansen GmbhfiledCriticalZimmermann & Hansen Gmbh
Priority to IN276MA1991priorityCriticalpatent/IN179371B/en
Priority to IN1004MA1994prioritypatent/IN182769B/en
Publication of IN179371BpublicationCriticalpatent/IN179371B/en