FR955623A - - Google Patents

Info

Publication number
FR955623A
FR955623A FR955623DA FR955623A FR 955623 A FR955623 A FR 955623A FR 955623D A FR955623D A FR 955623DA FR 955623 A FR955623 A FR 955623A
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 FR955623A publication Critical patent/FR955623A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/56—Details of locks of telescopic props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR955623D Expired FR955623A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
FR955623A true FR955623A (cg-RX-API-DMAC10.html) 1950-01-18

Family

ID=1558320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR955623D Expired FR955623A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
FR (1) FR955623A (cg-RX-API-DMAC10.html)

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