Tuning Fork with Mute Hartmann, C1 256 Hz
Diapason Av. Sourdine Hartmann, C1 256 Hz C1 256 Hz
Diapason Con Sordina Hartmann, C1 256 Hz
Diapason Con Cursori Hartmann, C1 256 HzArticle Reference Numbers
OF029, 125400, 65-0272, 36-177-11, 62.05.61