PD12M

Black and white drawing of a metal ring with a hole in the middle

The image shows a black and white drawing of a metal ring with a hole in the middle, which appears to be a diaphragm.

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The image shows a black and white drawing of a metal ring with a hole in the middle, which appears to be a diaphragm. The drawing is accompanied by some text, likely providing further information about the device.

Credit: The image shows a black and white drawing of a metal ring with a hole in the middle, which appears to be a diaphragm. The drawing is accompanied by some text, likely providing further information about the device. · Wikimedia Commons · https://huggingface.co/datasets/Spawning/PD12M · https://creativecommons.org/publicdomain/mark/1.0/
License: https://creativecommons.org/publicdomain/mark/1.0/

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