AU4232968A - Improvements in filters - Google Patents

Improvements in filters

Info

Publication number
AU4232968A
AU4232968A AU42329/68A AU4232968A AU4232968A AU 4232968 A AU4232968 A AU 4232968A AU 42329/68 A AU42329/68 A AU 42329/68A AU 4232968 A AU4232968 A AU 4232968A AU 4232968 A AU4232968 A AU 4232968A
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
AU42329/68A
Inventor
Hugh Howorth 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.)
James Howorth and Co Ltd
Original Assignee
James Howorth and Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by James Howorth and Co Ltd filed Critical James Howorth and Co Ltd
Publication of AU4232968A publication Critical patent/AU4232968A/en
Expired legal-status Critical Current

Links

AU42329/68A 1967-09-16 1968-08-20 Improvements in filters Expired AU4232968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB42294/67 1967-09-16

Publications (1)

Publication Number Publication Date
AU4232968A true AU4232968A (en) 1970-02-26

Family

ID=

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