AU224239B2 - Sound absorbing covering elements - Google Patents

Sound absorbing covering elements

Info

Publication number
AU224239B2
AU224239B2 AU30533/57A AU3053357A AU224239B2 AU 224239 B2 AU224239 B2 AU 224239B2 AU 30533/57 A AU30533/57 A AU 30533/57A AU 3053357 A AU3053357 A AU 3053357A AU 224239 B2 AU224239 B2 AU 224239B2
Authority
AU
Australia
Prior art keywords
sound absorbing
covering elements
absorbing covering
elements
sound
Prior art date
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.)
Expired
Application number
AU30533/57A
Other versions
AU3053357A (en
Inventor
and Gordon Charles Butler Leonard Frank Hopkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bowaters Development and Research Ltd
Original Assignee
Bowaters Development and Research Ltd
Filing date
Publication date
Application filed by Bowaters Development and Research Ltd filed Critical Bowaters Development and Research Ltd
Application granted granted Critical
Publication of AU224239B2 publication Critical patent/AU224239B2/en
Publication of AU3053357A publication Critical patent/AU3053357A/en
Expired legal-status Critical Current

Links

AU30533/57A 1957-08-20 Sound absorbing covering elements Expired AU224239B2 (en)

Publications (2)

Publication Number Publication Date
AU224239B2 true AU224239B2 (en) 1958-02-20
AU3053357A AU3053357A (en) 1958-02-20

Family

ID=

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