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AU233438B2 - Improvements in filters - Google Patents
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AU233438B2 - Improvements in filters - Google Patents

Improvements in filters

Info

Publication number
AU233438B2
AU233438B2 AU32205/57A AU3220557A AU233438B2 AU 233438 B2 AU233438 B2 AU 233438B2 AU 32205/57 A AU32205/57 A AU 32205/57A AU 3220557 A AU3220557 A AU 3220557A AU 233438 B2 AU233438 B2 AU 233438B2
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 - Lifetime
Application number
AU32205/57A
Inventor
William Baily Edgar
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.)
Paterson Engineering Co Ltd
Original Assignee
Paterson Engineering Co Ltd
Filing date
Publication of AU233438B2 publication Critical patent/AU233438B2/en
Application filed by Paterson Engineering Co Ltd filed Critical Paterson Engineering Co Ltd
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU32205/57A 1957-10-17 Improvements in filters Expired - Lifetime AU233438B2 (en)

Publications (1)

Publication Number Publication Date
AU233438B2 true AU233438B2 (en)

Family

ID=

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