Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F7/00—Ventilation
  • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/0023—Building characterised by incorporated canalisations

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Floor Finish (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5849702

Family Applications (1)

Country Status (5)

• 1972
  • 1972-07-05 DE DE19722232870 patent/DE2232870A1/de active Pending
• 1973
  • 1973-07-04 FR FR7324618A patent/FR2190991A1/fr not_active Withdrawn
  • 1973-07-04 LU LU67936D patent/LU67936A1/xx unknown
  • 1973-07-04 NL NL7309303A patent/NL7309303A/xx unknown
  • 1973-07-04 BE BE133093A patent/BE801889A/xx unknown

Also Published As

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