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Application filed by Astra Research Centre IndiafiledCriticalAstra Research Centre India
Priority to IN655MA1988priorityCriticalpatent/IN172551B/en
Priority to GB8920931Aprioritypatent/GB2223757B/en
Priority to AU41429/89Aprioritypatent/AU617526B2/en
Priority to CA000611731Aprioritypatent/CA1340196C/en
Priority to IN605MA1991prioritypatent/IN173128B/en
Publication of IN172551BpublicationCriticalpatent/IN172551B/en