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by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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I, the copyright holder of this work, hereby publish it under the following license:
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Ventilation plant for the
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.