FR1037517A - Support for pruning, in mining - Google Patents

Support for pruning, in mining

Info

Publication number
FR1037517A
FR1037517A FR1037517DA FR1037517A FR 1037517 A FR1037517 A FR 1037517A FR 1037517D A FR1037517D A FR 1037517DA FR 1037517 A FR1037517 A FR 1037517A
Authority
FR
France
Prior art keywords
pruning
mining
support
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)
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.)
CARBO STREBBAU GES DR ING VON
Original Assignee
CARBO STREBBAU GES DR ING VON
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 CARBO STREBBAU GES DR ING VON filed Critical CARBO STREBBAU GES DR ING VON
Application granted granted Critical
Publication of FR1037517A publication Critical patent/FR1037517A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs

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)
FR1037517D 1950-06-02 1951-05-25 Support for pruning, in mining Expired FR1037517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1037517X 1950-06-02

Publications (1)

Publication Number Publication Date
FR1037517A true FR1037517A (en) 1953-09-17

Family

ID=7716068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1037517D Expired FR1037517A (en) 1950-06-02 1951-05-25 Support for pruning, in mining

Country Status (1)

Country Link
FR (1) FR1037517A (en)

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