FR977438A - Haveuse - Google Patents

Haveuse

Info

Publication number
FR977438A
FR977438A FR977438DA FR977438A FR 977438 A FR977438 A FR 977438A FR 977438D A FR977438D A FR 977438DA FR 977438 A FR977438 A FR 977438A
Authority
FR
France
Prior art keywords
haveuse
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
French (fr)
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.)
MINES DE CHARBON DE ROSICE ET
Original Assignee
MINES DE CHARBON DE ROSICE ET
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 MINES DE CHARBON DE ROSICE ET filed Critical MINES DE CHARBON DE ROSICE ET
Application granted granted Critical
Publication of FR977438A publication Critical patent/FR977438A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/64—Slitting machines guided solely by hand and either carried by hand or mounted on supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR977438D 1947-12-22 1948-12-20 Haveuse Expired FR977438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS977438X 1947-12-22

Publications (1)

Publication Number Publication Date
FR977438A true FR977438A (en) 1951-04-02

Family

ID=5456840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977438D Expired FR977438A (en) 1947-12-22 1948-12-20 Haveuse

Country Status (1)

Country Link
FR (1) FR977438A (en)

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