FR1240892A - Coal and other minerals - Google Patents

Coal and other minerals

Info

Publication number
FR1240892A
FR1240892A FR810324A FR810324A FR1240892A FR 1240892 A FR1240892 A FR 1240892A FR 810324 A FR810324 A FR 810324A FR 810324 A FR810324 A FR 810324A FR 1240892 A FR1240892 A FR 1240892A
Authority
FR
France
Prior art keywords
minerals
coal
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
FR810324A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
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 by Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR1240892A publication Critical patent/FR1240892A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting

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)
FR810324A 1958-11-18 1959-11-17 Coal and other minerals Expired FR1240892A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1240892X 1958-11-18

Publications (1)

Publication Number Publication Date
FR1240892A true FR1240892A (en) 1960-09-09

Family

ID=10885213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810324A Expired FR1240892A (en) 1958-11-18 1959-11-17 Coal and other minerals

Country Status (1)

Country Link
FR (1) FR1240892A (en)

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