Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
  • E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21C—MINING OR QUARRYING
  • E21C41/00—Methods of underground or surface mining; Layouts therefor

Landscapes

• Engineering & Computer Science (AREA)
• Mining & Mineral Resources (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Geology (AREA)
• Remote Sensing (AREA)
• Treating Waste Gases (AREA)
• Filling Or Discharging Of Gas Storage Vessels (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=3851161

Family Applications (1)

Country Status (4)

Families Citing this family (1)

• 1967
  • 1967-07-10 BE BE701140D patent/BE701140A/xx unknown
• 1968
  • 1968-07-08 NL NL6809638A patent/NL6809638A/xx unknown
  • 1968-07-09 GB GB3258968A patent/GB1236232A/en not_active Expired
  • 1968-07-09 DE DE19681758628 patent/DE1758628A1/de active Pending

Also Published As

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