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AU514071B2 - Purge means in pilot operated valves - Google Patents
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AU514071B2 - Purge means in pilot operated valves - Google Patents

Purge means in pilot operated valves

Info

Publication number
AU514071B2
AU514071B2 AU33428/78A AU3342878A AU514071B2 AU 514071 B2 AU514071 B2 AU 514071B2 AU 33428/78 A AU33428/78 A AU 33428/78A AU 3342878 A AU3342878 A AU 3342878A AU 514071 B2 AU514071 B2 AU 514071B2
Authority
AU
Australia
Prior art keywords
pilot operated
operated valves
purge means
purge
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
AU33428/78A
Other versions
AU3342878A (en
Inventor
JR. and Whitehead JC Minoguem M. I. Bennett
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 GB8022/77A external-priority patent/GB1546022A/en
Application filed by Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of AU514071B2 publication Critical patent/AU514071B2/en
Publication of AU3342878A publication Critical patent/AU3342878A/en
Expired legal-status Critical Current

Links

AU33428/78A 1977-02-25 1978-02-20 Purge means in pilot operated valves Expired AU514071B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8022/77A GB1546022A (en) 1977-02-25 1977-02-25 Fluid operable valves
GBGB08022/77 1977-02-25

Publications (2)

Publication Number Publication Date
AU514071B2 true AU514071B2 (en) 1979-08-30
AU3342878A AU3342878A (en) 1979-08-30

Family

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