Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1972127186UpriorityCriticalpatent/JPS5230022Y2/ja
Publication of JPS4981719UpublicationCriticalpatent/JPS4981719U/ja
Application grantedgrantedCritical
Publication of JPS5230022Y2publicationCriticalpatent/JPS5230022Y2/ja
Complexes de fibres minérales et de matieres thermoplastiques utilisables notamment comme sous-couches pour revetements destinés a assurer une isolation acoustique.