CA557887A - Porte-forets - Google Patents

Porte-forets

Info

Publication number
CA557887A
CA557887A CA557887A CA557887DA CA557887A CA 557887 A CA557887 A CA 557887A CA 557887 A CA557887 A CA 557887A CA 557887D A CA557887D A CA 557887DA CA 557887 A CA557887 A CA 557887A
Authority
CA
Canada
Prior art keywords
drill supports
drill
supports
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
CA557887A
Other languages
English (en)
Inventor
A. Larcen Jan
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
Publication date
Application granted granted Critical
Publication of CA557887A publication Critical patent/CA557887A/fr
Expired legal-status Critical Current

Links

CA557887A Porte-forets Expired CA557887A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA557887T

Publications (1)

Publication Number Publication Date
CA557887A true CA557887A (fr) 1958-05-27

Family

ID=35724292

Family Applications (1)

Application Number Title Priority Date Filing Date
CA557887A Expired CA557887A (fr) Porte-forets

Country Status (1)

Country Link
CA (1) CA557887A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121138749A (zh) * 2025-11-20 2025-12-16 山东科技大学 一种用于煤矿开采的定向钻进装置及方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121138749A (zh) * 2025-11-20 2025-12-16 山东科技大学 一种用于煤矿开采的定向钻进装置及方法

Similar Documents

Publication Publication Date Title
CA557887A (fr) Porte-forets
CA564841A (fr) Sondage de puits
CA560298A (fr) Semoir a engrais
CA563660A (fr) Glycinamides substitues
AU223015B2 (en) Drilling apparatus
CA561259A (fr) Gabarit de foreuse
CA563132A (fr) Machine de sondage
CA566084A (fr) Foreuse
CA555747A (fr) Puits
CA563405A (fr) Appareil de sondage de puits
CA558176A (fr) Corde
CA563661A (fr) Glycinamides substitues
CA563659A (fr) Glycinamides substitues
CA561908A (fr) Tetrazolines substituees
CA561062A (fr) Thiaxanthenes substitues
CA554841A (fr) Outils actionnes par explosions
AU263331B2 (en) New halogeno-androstenes
AU231669B2 (en) New pamino-benzene-sulfonamidopyrazolo-pyrimidines
AU223678B2 (en) New dihydrobenzoins
AU234280B2 (en) New cyanopyrazoles
CA553243A (fr) Herse a semer
CA558655A (fr) Semoir pour le grain
CA552666A (fr) Raccords de tuyaux
CA552616A (fr) Matieres colorantes disazoiques
AU232460B2 (en) Polyha logenodiphenylsulphides