Attached files
file | filename |
---|---|
EX-32.1 - EX-32.1 - IPG PHOTONICS CORP | ex321q42020.htm |
EX-31.2 - EX-31.2 - IPG PHOTONICS CORP | ex312q42020.htm |
EX-31.1 - EX-31.1 - IPG PHOTONICS CORP | ex311q42020.htm |
EX-23.1 - EX-23.1 - IPG PHOTONICS CORP | ex231q42020.htm |
EX-21.1 - EX-21.1 - IPG PHOTONICS CORP | ex211q42020.htm |
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