FR2061087A5 - - Google Patents

Info

Publication number
FR2061087A5
FR2061087A5 FR7032553A FR7032553A FR2061087A5 FR 2061087 A5 FR2061087 A5 FR 2061087A5 FR 7032553 A FR7032553 A FR 7032553A FR 7032553 A FR7032553 A FR 7032553A FR 2061087 A5 FR2061087 A5 FR 2061087A5
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
FR7032553A
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.)
KOPALNIA WEGLA KAMIENNEG
Original Assignee
KOPALNIA WEGLA KAMIENNEG
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 KOPALNIA WEGLA KAMIENNEG filed Critical KOPALNIA WEGLA KAMIENNEG
Priority to FR7032553A priority Critical patent/FR2061087A5/fr
Application granted granted Critical
Publication of FR2061087A5 publication Critical patent/FR2061087A5/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams

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)
FR7032553A 1970-09-08 1970-09-08 Expired FR2061087A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7032553A FR2061087A5 (enExample) 1970-09-08 1970-09-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7032553A FR2061087A5 (enExample) 1970-09-08 1970-09-08

Publications (1)

Publication Number Publication Date
FR2061087A5 true FR2061087A5 (enExample) 1971-06-18

Family

ID=9061025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7032553A Expired FR2061087A5 (enExample) 1970-09-08 1970-09-08

Country Status (1)

Country Link
FR (1) FR2061087A5 (enExample)

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Legal Events

Date Code Title Description
ST Notification of lapse