NO893331L - DEVICE FOR SUCTION OF GROUND AIR. - Google Patents

DEVICE FOR SUCTION OF GROUND AIR.

Info

Publication number
NO893331L
NO893331L NO89893331A NO893331A NO893331L NO 893331 L NO893331 L NO 893331L NO 89893331 A NO89893331 A NO 89893331A NO 893331 A NO893331 A NO 893331A NO 893331 L NO893331 L NO 893331L
Authority
NO
Norway
Prior art keywords
suction
ground air
ground
air
Prior art date
Application number
NO89893331A
Other languages
Norwegian (no)
Other versions
NO168378C (en
NO168378B (en
NO893331D0 (en
Inventor
Bengt E Eriksson
Bertil Clavensjoe
Original Assignee
Bengt E Eriksson
Bertil Clavensjoe
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 SE8705069A external-priority patent/SE461233B/en
Application filed by Bengt E Eriksson, Bertil Clavensjoe filed Critical Bengt E Eriksson
Publication of NO893331D0 publication Critical patent/NO893331D0/en
Publication of NO893331L publication Critical patent/NO893331L/en
Publication of NO168378B publication Critical patent/NO168378B/en
Publication of NO168378C publication Critical patent/NO168378C/en

Links

NO893331A 1987-12-18 1989-08-18 DEVICE FOR SUCTION OF GROUND AIR NO168378C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8705069A SE461233B (en) 1987-12-18 1987-12-18 DEVICE FOR EXTRACTION OF EARTH AIR
PCT/SE1988/000686 WO1989005890A1 (en) 1987-12-18 1988-12-15 Apparatus for drawing off ground air

Publications (4)

Publication Number Publication Date
NO893331D0 NO893331D0 (en) 1989-08-18
NO893331L true NO893331L (en) 1989-08-18
NO168378B NO168378B (en) 1991-11-04
NO168378C NO168378C (en) 1992-02-12

Family

ID=26660069

Family Applications (1)

Application Number Title Priority Date Filing Date
NO893331A NO168378C (en) 1987-12-18 1989-08-18 DEVICE FOR SUCTION OF GROUND AIR

Country Status (1)

Country Link
NO (1) NO168378C (en)

Also Published As

Publication number Publication date
NO168378C (en) 1992-02-12
NO168378B (en) 1991-11-04
NO893331D0 (en) 1989-08-18

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