Electric discharge machining tool chuck for archaistic coin
The invention discloses an electric discharge machining tool chuck for an archaistic coin. The electric discharge machining tool chuck is characterized in that a chuck upper part is connected to an EDM machine tool, a concave cavity is formed in the lower end surface of a chuck body, a straight groo...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
03.08.2018
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Subjects | |
Online Access | Get full text |
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