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AU455763B2 - Improvements in or relating to vacuum relief valves - Google Patents
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AU455763B2 - Improvements in or relating to vacuum relief valves - Google Patents

Improvements in or relating to vacuum relief valves

Info

Publication number
AU455763B2
AU455763B2 AU31990/71A AU3199071A AU455763B2 AU 455763 B2 AU455763 B2 AU 455763B2 AU 31990/71 A AU31990/71 A AU 31990/71A AU 3199071 A AU3199071 A AU 3199071A AU 455763 B2 AU455763 B2 AU 455763B2
Authority
AU
Australia
Prior art keywords
relating
relief valves
vacuum relief
vacuum
valves
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
AU31990/71A
Other versions
AU3199071A (en
Inventor
Lee Wenham Douglas
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.)
AHI Operations Ltd
Original Assignee
AHI Operations Ltd
Filing date
Publication date
Application filed by AHI Operations Ltd filed Critical AHI Operations Ltd
Application granted granted Critical
Publication of AU455763B2 publication Critical patent/AU455763B2/en
Publication of AU3199071A publication Critical patent/AU3199071A/en
Expired legal-status Critical Current

Links

AU31990/71A 1971-08-04 Improvements in or relating to vacuum relief valves Expired AU455763B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ16105070 1970-08-04

Publications (2)

Publication Number Publication Date
AU455763B2 true AU455763B2 (en) 1973-02-08
AU3199071A AU3199071A (en) 1973-02-08

Family

ID=

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