FR1202771A - Perfectionnement aux arrêts-barrages - Google Patents

Perfectionnement aux arrêts-barrages

Info

Publication number
FR1202771A
FR1202771A FR1202771DA FR1202771A FR 1202771 A FR1202771 A FR 1202771A FR 1202771D A FR1202771D A FR 1202771DA FR 1202771 A FR1202771 A FR 1202771A
Authority
FR
France
Prior art keywords
roadblocks
improvement
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
English (en)
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.)
Preparation Industrielle des Combustibles SA
Original Assignee
Preparation Industrielle des Combustibles SA
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 Preparation Industrielle des Combustibles SA filed Critical Preparation Industrielle des Combustibles SA
Application granted granted Critical
Publication of FR1202771A publication Critical patent/FR1202771A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/14—Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions
    • E21F5/146—Rock dusters

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)
FR1202771D 1958-09-25 1958-09-25 Perfectionnement aux arrêts-barrages Expired FR1202771A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1202771T 1958-09-25

Publications (1)

Publication Number Publication Date
FR1202771A true FR1202771A (fr) 1960-01-13

Family

ID=9672073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1202771D Expired FR1202771A (fr) 1958-09-25 1958-09-25 Perfectionnement aux arrêts-barrages

Country Status (1)

Country Link
FR (1) FR1202771A (fr)

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