BE627892A - - Google Patents

Info

Publication number
BE627892A
BE627892A BE627892DA BE627892A BE 627892 A BE627892 A BE 627892A BE 627892D A BE627892D A BE 627892DA BE 627892 A BE627892 A BE 627892A
Authority
BE
Belgium
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 BE627892A publication Critical patent/BE627892A/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)
  • Sealing Devices (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
BE627892D 1962-02-05 BE627892A (US07935154-20110503-C00006.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0065814 1962-02-05

Publications (1)

Publication Number Publication Date
BE627892A true BE627892A (US07935154-20110503-C00006.png)

Family

ID=6974920

Family Applications (1)

Application Number Title Priority Date Filing Date
BE627892D BE627892A (US07935154-20110503-C00006.png) 1962-02-05

Country Status (3)

Country Link
BE (1) BE627892A (US07935154-20110503-C00006.png)
GB (1) GB1025772A (US07935154-20110503-C00006.png)
NL (1) NL277527A (US07935154-20110503-C00006.png)

Also Published As

Publication number Publication date
GB1025772A (en) 1966-04-14
NL277527A (US07935154-20110503-C00006.png)

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