Assertion: button accordion | /r/HasProperty | german make
Facets:
Source sentences:
text: Diatonic button accordion (German make, early 20th century).
text: Diatonic button accordion (German make, early 20th century).
text: Diatonic button accordion (German make, early 20th century).
text: Diatonic button accordion (German make, early 20th century).