news Acoustic properties of bis(3-dimethylaminopropyl)aminoisopropyl alcohol ZR-50 in high-end musical instrument manufacturing Acoustic Characteristics of Bis(3-Diylpropyl)aminoisopropyl Alcohol ZR-50 in High-End Musical Instru... 03/0822Acoustic properties of bis(3-dimethylaminopropyl)aminoisopropyl alcohol ZR-50 in high-end musical instrument manufacturing