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Individual
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Individual
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Priority to JP7676875ApriorityCriticalpatent/JPS521692A/en
Publication of JPS521692ApublicationCriticalpatent/JPS521692A/en
PURPOSE: An impact-free electric puncher which enables to punch a desired position with increased accuracy by reducing an impact at the atart of the punching operation.
COPYRIGHT: (C)1977,JPO&Japio
JP7676875A1975-06-241975-06-24Impact-free electric puncher
PendingJPS521692A
(en)