NO892069D0 - A PROCEDURE AND APPARATUS FOR CLOSING / OPENING LARGE VALVES. - Google Patents

A PROCEDURE AND APPARATUS FOR CLOSING / OPENING LARGE VALVES.

Info

Publication number
NO892069D0
NO892069D0 NO892069A NO892069A NO892069D0 NO 892069 D0 NO892069 D0 NO 892069D0 NO 892069 A NO892069 A NO 892069A NO 892069 A NO892069 A NO 892069A NO 892069 D0 NO892069 D0 NO 892069D0
Authority
NO
Norway
Prior art keywords
closing
procedure
opening large
large valves
valves
Prior art date
Application number
NO892069A
Other languages
Norwegian (no)
Other versions
NO167230C (en
NO892069L (en
NO167230B (en
Inventor
Harald Hystad
Original Assignee
Harald Hystad
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 Harald Hystad filed Critical Harald Hystad
Priority to NO892069A priority Critical patent/NO167230C/en
Publication of NO892069D0 publication Critical patent/NO892069D0/en
Publication of NO892069L publication Critical patent/NO892069L/en
Publication of NO167230B publication Critical patent/NO167230B/en
Publication of NO167230C publication Critical patent/NO167230C/en

Links

NO892069A 1989-05-24 1989-05-24 DEVICE FOR CLOSING / OPENING OF LARGE VALVES. NO167230C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO892069A NO167230C (en) 1989-05-24 1989-05-24 DEVICE FOR CLOSING / OPENING OF LARGE VALVES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO892069A NO167230C (en) 1989-05-24 1989-05-24 DEVICE FOR CLOSING / OPENING OF LARGE VALVES.

Publications (4)

Publication Number Publication Date
NO892069D0 true NO892069D0 (en) 1989-05-24
NO892069L NO892069L (en) 1990-11-26
NO167230B NO167230B (en) 1991-07-08
NO167230C NO167230C (en) 1991-10-16

Family

ID=19892045

Family Applications (1)

Application Number Title Priority Date Filing Date
NO892069A NO167230C (en) 1989-05-24 1989-05-24 DEVICE FOR CLOSING / OPENING OF LARGE VALVES.

Country Status (1)

Country Link
NO (1) NO167230C (en)

Also Published As

Publication number Publication date
NO167230C (en) 1991-10-16
NO892069L (en) 1990-11-26
NO167230B (en) 1991-07-08

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Legal Events

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