Industrial design, drafting, engineering, material testing, mechanical research, and technical project studies relating to silencing articles and structures, namely, layered acoustical assemblies, modular acoustical panel packages, acoustical barriers, acoustical buildings, acoustical equipment enclosures, acoustical mechanical systems, acoustical doors and windows
En lo que ella llamaría su " Expedición de Milly "...... el sol, el cielo y la naturaleza la acompañabantmClass tmClass