HUT50912A - Sound proofing-absorbing roof and wall structure element
- Google Patents
Sound proofing-absorbing roof and wall structure element
Info
Publication number
HUT50912A
HUT50912AHU339088AHU339088AHUT50912AHU T50912 AHUT50912 AHU T50912AHU 339088 AHU339088 AHU 339088AHU 339088 AHU339088 AHU 339088AHU T50912 AHUT50912 AHU T50912A
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Publication date
Application filed by Miklos Papp, Ferenc Hirka, Zoltan Betlehem, Jozsef SzabofiledCriticalMiklos Papp
Priority to HU339088ApriorityCriticalpatent/HUT50912A/en
Publication of HUT50912ApublicationCriticalpatent/HUT50912A/en