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 PCT/CH1987/000017external-prioritypatent/WO1988005922A1/en
Application filed by Leica AgfiledCriticalLeica Ag
Priority to SG63194ApriorityCriticalpatent/SG63194G/en
Publication of SG63194GpublicationCriticalpatent/SG63194G/en