BE639335A - - Google Patents

Info

Publication number
BE639335A
BE639335A BE639335DA BE639335A BE 639335 A BE639335 A BE 639335A BE 639335D A BE639335D A BE 639335DA BE 639335 A BE639335 A BE 639335A
Authority
BE
Belgium
Prior art keywords
matrix
peak
desc
page number
clms page
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE639335A publication Critical patent/BE639335A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18Mining picks; Holders therefor
    • E21C35/183Mining picks; Holders therefor with inserts or layers of wear-resisting material

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BE639335D BE639335A (it)

Publications (1)

Publication Number Publication Date
BE639335A true BE639335A (it)

Family

ID=203810

Family Applications (1)

Application Number Title Priority Date Filing Date
BE639335D BE639335A (it)

Country Status (1)

Country Link
BE (1) BE639335A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553146A1 (fr) * 1983-09-15 1985-04-12 Boart Int Ltd Pics de mine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553146A1 (fr) * 1983-09-15 1985-04-12 Boart Int Ltd Pics de mine

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