NO901900D0 - VENTILATION VALVE. - Google Patents

VENTILATION VALVE.

Info

Publication number
NO901900D0
NO901900D0 NO901900A NO901900A NO901900D0 NO 901900 D0 NO901900 D0 NO 901900D0 NO 901900 A NO901900 A NO 901900A NO 901900 A NO901900 A NO 901900A NO 901900 D0 NO901900 D0 NO 901900D0
Authority
NO
Norway
Prior art keywords
ventilation valve
ventilation
valve
Prior art date
Application number
NO901900A
Other languages
Norwegian (no)
Other versions
NO175116B (en
NO175116C (en
NO901900L (en
Inventor
Raimo Parkkila
Original Assignee
Halton Oy
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 FI883984A external-priority patent/FI90140C/en
Application filed by Halton Oy filed Critical Halton Oy
Publication of NO901900D0 publication Critical patent/NO901900D0/en
Publication of NO901900L publication Critical patent/NO901900L/en
Publication of NO175116B publication Critical patent/NO175116B/en
Publication of NO175116C publication Critical patent/NO175116C/en

Links

NO901900A 1988-08-30 1990-04-27 vent valve NO175116C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI883984A FI90140C (en) 1988-08-30 1988-08-30 VENTILATIONSVENTIL
PCT/FI1989/000156 WO1990002296A1 (en) 1988-08-30 1989-08-25 Ventilation valve

Publications (4)

Publication Number Publication Date
NO901900D0 true NO901900D0 (en) 1990-04-27
NO901900L NO901900L (en) 1990-04-27
NO175116B NO175116B (en) 1994-05-24
NO175116C NO175116C (en) 1994-08-31

Family

ID=26158410

Family Applications (1)

Application Number Title Priority Date Filing Date
NO901900A NO175116C (en) 1988-08-30 1990-04-27 vent valve

Country Status (1)

Country Link
NO (1) NO175116C (en)

Also Published As

Publication number Publication date
NO175116B (en) 1994-05-24
NO175116C (en) 1994-08-31
NO901900L (en) 1990-04-27

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Legal Events

Date Code Title Description
MK1K Patent expired