AU115069B2 - Improvements in or relating to filters - Google Patents

Improvements in or relating to filters

Info

Publication number
AU115069B2
AU115069B2 AU2921/41A AU292141A AU115069B2 AU 115069 B2 AU115069 B2 AU 115069B2 AU 2921/41 A AU2921/41 A AU 2921/41A AU 292141 A AU292141 A AU 292141A AU 115069 B2 AU115069 B2 AU 115069B2
Authority
AU
Australia
Prior art keywords
filters
relating
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
AU2921/41A
Other versions
AU292141A (en
Inventor
Heather 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.)
Yokes Ltd
Original Assignee
Yokes Ltd
Filing date
Publication date
Application filed by Yokes Ltd filed Critical Yokes Ltd
Application granted granted Critical
Publication of AU292141A publication Critical patent/AU292141A/en
Publication of AU115069B2 publication Critical patent/AU115069B2/en
Expired legal-status Critical Current

Links

AU2921/41A 1941-09-15 Improvements in or relating to filters Expired AU115069B2 (en)

Publications (2)

Publication Number Publication Date
AU292141A AU292141A (en) 1942-05-04
AU115069B2 true AU115069B2 (en) 1942-05-04

Family

ID=

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