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Sub-New Feature
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Resolution: Fixed
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Normal
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None
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None
(Mostly?) Russian button accordion: https://en.wikipedia.org/wiki/Garmon
Wikidata: https://www.wikidata.org/wiki/Q1494360
Has IROM images at https://saisaibatake.ame-zaiku.com/musical_instrument/gakki_bellows.html - https://digitalstamp.suppa.jp/musical_instruments_g/garmon.html