NL6614119A - - Google Patents

Info

Publication number
NL6614119A
NL6614119A NL6614119A NL6614119A NL6614119A NL 6614119 A NL6614119 A NL 6614119A NL 6614119 A NL6614119 A NL 6614119A NL 6614119 A NL6614119 A NL 6614119A NL 6614119 A NL6614119 A NL 6614119A
Authority
NL
Netherlands
Application number
NL6614119A
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 filed Critical
Publication of NL6614119A publication Critical patent/NL6614119A/xx

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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic 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)
NL6614119A 1965-10-14 1966-10-07 NL6614119A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0057414 1965-10-14

Publications (1)

Publication Number Publication Date
NL6614119A true NL6614119A (enrdf_load_html_response) 1967-04-17

Family

ID=7159751

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6614119A NL6614119A (enrdf_load_html_response) 1965-10-14 1966-10-07

Country Status (3)

Country Link
BE (1) BE688201A (enrdf_load_html_response)
FR (1) FR1494535A (enrdf_load_html_response)
NL (1) NL6614119A (enrdf_load_html_response)

Also Published As

Publication number Publication date
BE688201A (enrdf_load_html_response) 1967-03-16
FR1494535A (enrdf_load_html_response) 1967-12-14

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