FR392149A - Perforatrice - Google Patents

Perforatrice

Info

Publication number
FR392149A
FR392149A FR392149DA FR392149A FR 392149 A FR392149 A FR 392149A FR 392149D A FR392149D A FR 392149DA FR 392149 A FR392149 A FR 392149A
Authority
FR
France
Prior art keywords
punch
Prior art date
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Max Ulrich & C Soc
Original Assignee
Max Ulrich & C Soc
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 by Max Ulrich & C Soc filed Critical Max Ulrich & C Soc
Application granted granted Critical
Publication of FR392149A publication Critical patent/FR392149A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR392149D 1908-03-20 1908-03-20 Perforatrice Expired FR392149A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR392149T 1908-03-20

Publications (1)

Publication Number Publication Date
FR392149A true FR392149A (fr) 1908-11-18

Family

ID=1437550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR392149D Expired FR392149A (fr) 1908-03-20 1908-03-20 Perforatrice

Country Status (1)

Country Link
FR (1) FR392149A (fr)

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