FR1494535A - - Google Patents

Info

Publication number
FR1494535A
FR1494535A FR1494535DA FR1494535A FR 1494535 A FR1494535 A FR 1494535A FR 1494535D A FR1494535D A FR 1494535DA FR 1494535 A FR1494535 A FR 1494535A
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)
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 date
Application granted granted Critical
Publication of FR1494535A publication Critical patent/FR1494535A/fr
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/44Hydraulic, 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)
FR1494535D 1965-10-14 Expired FR1494535A (US06633600-20031014-M00021.png)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1494535A true FR1494535A (US06633600-20031014-M00021.png) 1967-12-14

Family

ID=7159751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1494535D Expired FR1494535A (US06633600-20031014-M00021.png) 1965-10-14

Country Status (3)

Country Link
BE (1) BE688201A (US06633600-20031014-M00021.png)
FR (1) FR1494535A (US06633600-20031014-M00021.png)
NL (1) NL6614119A (US06633600-20031014-M00021.png)

Also Published As

Publication number Publication date
BE688201A (US06633600-20031014-M00021.png) 1967-03-16
NL6614119A (US06633600-20031014-M00021.png) 1967-04-17

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