Attached files
file | filename |
---|---|
EX-32.2 - EXHIBIT 32.2 - POWELL INDUSTRIES INC | powlexhibit322q32020.htm |
EX-32.1 - EXHIBIT 32.1 - POWELL INDUSTRIES INC | powlexhibit321q32020.htm |
EX-31.2 - EXHIBIT 31.2 - POWELL INDUSTRIES INC | powlexhibit312q32020.htm |
EX-31.1 - EXHIBIT 31.1 - POWELL INDUSTRIES INC | powlexhibit311q32020.htm |
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