DK58610C -
Sound-insulating and sound-absorbing, multi-layered panels for building use and methods for the manufacture of such panels.
- Google Patents
Sound-insulating and sound-absorbing, multi-layered panels for building use and methods for the manufacture of such panels.
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 filed by Walter Hermann BertogfiledCriticalWalter Hermann Bertog
Application grantedgrantedCritical
Publication of DK58610CpublicationCriticalpatent/DK58610C/en
DK58610D1937-03-191938-03-14
Sound-insulating and sound-absorbing, multi-layered panels for building use and methods for the manufacture of such panels.
DK58610C
(en)