GB1029022A
|
|
Improvements in and relating to a false ceiling
|
US2946415A
|
|
Arrangement in wall and ceiling panellings consisting of elongated troughshaped thin-walled elements
|
GB829253A
|
|
Improvements in and relating to wall and ceiling panellings
|
GB820438A
|
|
Improvements in and relating to a sound-deadening panelling for ceilings and walls
|
US3056476A
|
|
Arrangement in wall and ceiling panellings
|
GB836065A
|
|
Improvements in and relating to an arrangement in wall and ceiling panellings
|
US2926742A
|
|
Acoustic panelling
|