medical gas bottle opener/lever (O2) 52mm knob by Fresh 3d model
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medical gas bottle opener/lever (O2) 52mm knob by Fresh

medical gas bottle opener/lever (O2) 52mm knob by Fresh

by Thingiverse
Last crawled date: 3 years ago
Sometimes these knobs are closed very tight. This is really bad in case of an CPR. I designed this lever, to open it easy.
52mm diameter

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