AU112503B2 - Improvements in filters - Google Patents

Improvements in filters

Info

Publication number
AU112503B2
AU112503B2 AU579/40A AU57940A AU112503B2 AU 112503 B2 AU112503 B2 AU 112503B2 AU 579/40 A AU579/40 A AU 579/40A AU 57940 A AU57940 A AU 57940A AU 112503 B2 AU112503 B2 AU 112503B2
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
AU579/40A
Other versions
AU57940A (en
Inventor
Paterson. Oscar Carl Merrison William
Original Assignee
Paterson. Oscar Carl Merrison William
Filing date
Publication date
Application filed by Paterson. Oscar Carl Merrison William filed Critical Paterson. Oscar Carl Merrison William
Application granted granted Critical
Publication of AU112503B2 publication Critical patent/AU112503B2/en
Publication of AU57940A publication Critical patent/AU57940A/en
Expired legal-status Critical Current

Links

AU579/40A 1940-02-13 Improvements in filters Expired AU112503B2 (en)

Publications (2)

Publication Number Publication Date
AU112503B2 true AU112503B2 (en) 1941-02-20
AU57940A AU57940A (en) 1941-02-20

Family

ID=

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