Soundproofing wall element
A Standard patent application filed on 02 March 1989 credited to Wieland, Heinz
;
Ackermann, Ulrich
;
Rambausek, Norbert
;
Jacobs, Andreas
;
Fuchs, Helmut
Details
Application number :
31894
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Soundproofing wall element
Inventor :
Wieland, Heinz
;
Ackermann, Ulrich
;
Rambausek, Norbert
;
Jacobs, Andreas
;
Fuchs, Helmut