FR1053988A - Extraction tool for coal and other minerals - Google Patents

Extraction tool for coal and other minerals

Info

Publication number
FR1053988A
FR1053988A FR1053988DA FR1053988A FR 1053988 A FR1053988 A FR 1053988A FR 1053988D A FR1053988D A FR 1053988DA FR 1053988 A FR1053988 A FR 1053988A
Authority
FR
France
Prior art keywords
minerals
coal
extraction tool
extraction
tool
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Konrad Grebe
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
Application filed filed Critical
Application granted granted Critical
Publication of FR1053988A publication Critical patent/FR1053988A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading

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)
FR1053988D 1951-09-26 1951-09-26 Extraction tool for coal and other minerals Expired FR1053988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1053988T 1951-09-26

Publications (1)

Publication Number Publication Date
FR1053988A true FR1053988A (en) 1954-02-08

Family

ID=9596215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1053988D Expired FR1053988A (en) 1951-09-26 1951-09-26 Extraction tool for coal and other minerals

Country Status (1)

Country Link
FR (1) FR1053988A (en)

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