AU491653B2 - An improvement in or relating tonon-return valves - Google Patents

An improvement in or relating tonon-return valves

Info

Publication number
AU491653B2
AU491653B2 AU49063/72A AU4906372A AU491653B2 AU 491653 B2 AU491653 B2 AU 491653B2 AU 49063/72 A AU49063/72 A AU 49063/72A AU 4906372 A AU4906372 A AU 4906372A AU 491653 B2 AU491653 B2 AU 491653B2
Authority
AU
Australia
Prior art keywords
improvement
return valves
tonon
relating
relating tonon
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
AU49063/72A
Other versions
AU4906372A (en
Inventor
Robert Davison George
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.)
Bryan Donkin Co Ltd
Original Assignee
Bryan Donkin 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
Priority claimed from GB5507571A external-priority patent/GB1353178A/en
Application filed by Bryan Donkin Co Ltd filed Critical Bryan Donkin Co Ltd
Application granted granted Critical
Publication of AU491653B2 publication Critical patent/AU491653B2/en
Publication of AU4906372A publication Critical patent/AU4906372A/en
Expired legal-status Critical Current

Links

AU49063/72A 1971-11-26 1972-11-20 An improvement in or relating tonon-return valves Expired AU491653B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5507571A GB1353178A (en) 1971-11-26 1971-11-26 Non-return valves
GBGB55075/71 1971-11-26

Publications (2)

Publication Number Publication Date
AU491653B2 true AU491653B2 (en) 1974-05-30
AU4906372A AU4906372A (en) 1974-05-30

Family

ID=

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