FR666836A - Appareil à projeter les matières divisées - Google Patents

Appareil à projeter les matières divisées

Info

Publication number
FR666836A
FR666836A FR666836DA FR666836A FR 666836 A FR666836 A FR 666836A FR 666836D A FR666836D A FR 666836DA FR 666836 A FR666836 A FR 666836A
Authority
FR
France
Prior art keywords
divided materials
projecting
projecting divided
materials
divided
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 FR666836A publication Critical patent/FR666836A/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
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/06—Filling-up mechanically

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)
FR666836D 1928-04-06 1928-04-06 Appareil à projeter les matières divisées Expired FR666836A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR666836T 1928-04-06

Publications (1)

Publication Number Publication Date
FR666836A true FR666836A (fr) 1929-10-07

Family

ID=9014094

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666836D Expired FR666836A (fr) 1928-04-06 1928-04-06 Appareil à projeter les matières divisées

Country Status (1)

Country Link
FR (1) FR666836A (fr)

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