AU115523B2 - Sound absorbing apparatus and methods - Google Patents

Sound absorbing apparatus and methods

Info

Publication number
AU115523B2
AU115523B2 AU2150/41A AU215041A AU115523B2 AU 115523 B2 AU115523 B2 AU 115523B2 AU 2150/41 A AU2150/41 A AU 2150/41A AU 215041 A AU215041 A AU 215041A AU 115523 B2 AU115523 B2 AU 115523B2
Authority
AU
Australia
Prior art keywords
methods
sound absorbing
absorbing apparatus
sound
absorbing
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
AU2150/41A
Other versions
AU215041A (en
Inventor
Emmons Terman Frederick
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU115523B2 publication Critical patent/AU115523B2/en
Publication of AU215041A publication Critical patent/AU215041A/en
Expired legal-status Critical Current

Links

AU2150/41A 1941-07-15 Sound absorbing apparatus and methods Expired AU115523B2 (en)

Publications (2)

Publication Number Publication Date
AU115523B2 true AU115523B2 (en) 1942-07-23
AU215041A AU215041A (en) 1942-07-23

Family

ID=

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