[Chen Baobao Speaks Piano] Karl Bongardt-Karl. Bongat
The piano manufacturer in Bamen, Germany, founded on an unknown date, became Brüning & Bongardt in 1898. Bongat.
[Chen Baobao Speaks Piano] Karl Bongardt-Karl. Bongat
The piano manufacturer in Bamen, Germany, founded on an unknown date, became Brüning & Bongardt in 1898. Bongat.