Assertion: accordion's type | /r/HasProperty | patented by cyrill demian
Facets:
Source sentences:
text: These names refer to the type of accordion patented by Cyrill Demian, which concerned "automatically coupled chords on the bass side".
text: These names are a reference to the type of accordion patented by Cyrill Demian, which concerned "automatically coupled chords on the bass side".
text: These names refer to the type of accordion patented by Cyrill Demian, which concerned "automatically coupled chords on the bass side".