Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21C—MINING OR QUARRYING
  • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
  • E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22

Landscapes

• Engineering & Computer Science (AREA)
• Mining & Mineral Resources (AREA)
• Mechanical Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Geology (AREA)
• Drilling And Exploitation, And Mining Machines And Methods (AREA)
• Knives (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6597718

Family Applications (1)

Country Status (3)

Families Citing this family (1)

• 0
  • BE BE500366D patent/BE500366A/xx unknown
• 1950
  • 1950-12-29 FR FR1036624D patent/FR1036624A/fr not_active Expired
  • 1950-12-29 GB GB31533/50A patent/GB684930A/en not_active Expired

Also Published As

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