NL106451C - - Google Patents

Info

Publication number
NL106451C
NL106451C NL106451DA NL106451C NL 106451 C NL106451 C NL 106451C NL 106451D A NL106451D A NL 106451DA NL 106451 C NL106451 C NL 106451C
Authority
NL
Netherlands
Application number
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.)
Publication of NL106451C publication Critical patent/NL106451C/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
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators

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)
  • Press Drives And Press Lines (AREA)
NL106451D 1954-01-17 NL106451C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE8438A DE971812C (de) 1954-01-17 1954-01-17 Hydraulische Stuetz- oder Hebeeinrichtung, insbesondere hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
NL106451C true NL106451C (enrdf_load_html_response)

Family

ID=7067406

Family Applications (2)

Application Number Title Priority Date Filing Date
NL106451D NL106451C (enrdf_load_html_response) 1954-01-17
NL193873D NL193873A (enrdf_load_html_response) 1954-01-17

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL193873D NL193873A (enrdf_load_html_response) 1954-01-17

Country Status (3)

Country Link
BE (1) BE534011A (enrdf_load_html_response)
DE (1) DE971812C (enrdf_load_html_response)
NL (2) NL193873A (enrdf_load_html_response)

Also Published As

Publication number Publication date
BE534011A (enrdf_load_html_response)
DE971812C (de) 1959-04-02
NL193873A (enrdf_load_html_response)

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