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 CH109887Aexternal-prioritypatent/CH667965GA3/fr
Application filed by Ebauchesfabrik Eta AgfiledCriticalEbauchesfabrik Eta Ag
Priority to SG3094ApriorityCriticalpatent/SG3094G/en
Publication of SG3094GpublicationCriticalpatent/SG3094G/en