FR955347A - - Google Patents

Info

Publication number
FR955347A
FR955347A FR955347DA FR955347A FR 955347 A FR955347 A FR 955347A FR 955347D A FR955347D A FR 955347DA FR 955347 A FR955347 A FR 955347A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR955347A publication Critical patent/FR955347A/fr
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
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/36—Machine self-propelled along the working face

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)
FR955347D Expired FR955347A (zh)

Publications (1)

Publication Number Publication Date
FR955347A true FR955347A (zh) 1950-01-14

Family

ID=1558106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR955347D Expired FR955347A (zh)

Country Status (1)

Country Link
FR (1) FR955347A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970269C (de) * 1951-11-21 1958-09-04 Hans Joachim Von Hippel Dr Ing Verfahren und Vorrichtung zur Gewinnung von Kohle im Langfrontbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970269C (de) * 1951-11-21 1958-09-04 Hans Joachim Von Hippel Dr Ing Verfahren und Vorrichtung zur Gewinnung von Kohle im Langfrontbau

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