AU124598B2 - Improvements in filters - Google Patents

Improvements in filters

Info

Publication number
AU124598B2
AU124598B2 AU12847/44A AU1284744A AU124598B2 AU 124598 B2 AU124598 B2 AU 124598B2 AU 12847/44 A AU12847/44 A AU 12847/44A AU 1284744 A AU1284744 A AU 1284744A AU 124598 B2 AU124598 B2 AU 124598B2
Authority
AU
Australia
Prior art keywords
filters
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
AU12847/44A
Other versions
AU1284744A (en
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.)
Voices Ltd
Original Assignee
Voices Ltd
Filing date
Publication date
Application filed by Voices Ltd filed Critical Voices Ltd
Application granted granted Critical
Publication of AU1284744A publication Critical patent/AU1284744A/en
Publication of AU124598B2 publication Critical patent/AU124598B2/en
Expired legal-status Critical Current

Links

AU12847/44A 1944-01-27 Improvements in filters Expired AU124598B2 (en)

Publications (2)

Publication Number Publication Date
AU1284744A AU1284744A (en) 1947-07-03
AU124598B2 true AU124598B2 (en) 1947-07-03

Family

ID=

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