CA512478A - Colonne de perforatrice - Google Patents

Colonne de perforatrice

Info

Publication number
CA512478A
CA512478A CA512478A CA512478DA CA512478A CA 512478 A CA512478 A CA 512478A CA 512478 A CA512478 A CA 512478A CA 512478D A CA512478D A CA 512478DA CA 512478 A CA512478 A CA 512478A
Authority
CA
Canada
Prior art keywords
drill post
drill
post
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
CA512478A
Other languages
English (en)
Inventor
B. Lear Earl
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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
Publication date
Application granted granted Critical
Publication of CA512478A publication Critical patent/CA512478A/fr
Expired legal-status Critical Current

Links

CA512478A Colonne de perforatrice Expired CA512478A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512478T

Publications (1)

Publication Number Publication Date
CA512478A true CA512478A (fr) 1955-05-03

Family

ID=35663553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512478A Expired CA512478A (fr) Colonne de perforatrice

Country Status (1)

Country Link
CA (1) CA512478A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059977A (en) * 1958-10-03 1962-10-23 Sandviken Jernverks Aktiebolag Apparatus for drilling mutually intersecting parallel holes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059977A (en) * 1958-10-03 1962-10-23 Sandviken Jernverks Aktiebolag Apparatus for drilling mutually intersecting parallel holes

Similar Documents

Publication Publication Date Title
CA512478A (fr) Colonne de perforatrice
CA511024A (fr) Poteau ajustable
CA514953A (fr) Balancoire
AU210263B2 (en) Boring jig construction
AU209658B2 (en) Well drilling equipment
CA511547A (fr) Methodes de verrerie
CA511496A (fr) Magnetometres
CA516337A (fr) Dispositifs de puits
AU208441B2 (en) Substituted iminodibenzyls
CA513154A (fr) Phenanthrene-2-ones substitues
CA518505A (fr) Benzodioxanes substituees
CA513622A (fr) Meche de perceuse
CA519509A (fr) Meche de foret
CA519840A (fr) Outil de forage
CA513448A (fr) Belier de poteau
CA518538A (fr) Appareil perforateur
CA512943A (fr) Appareil a percer
AU207270B2 (en) Well logging apparatus
CA512294A (fr) Intermediare organique
CA512485A (fr) Forets a verre
AU210376B2 (en) Earth boring apparatus
CA508836A (fr) Radio-gramophone
CA508739A (fr) Haloalkylamino-s-triazine
CA510214A (fr) Broyeurs
CA510184A (fr) Serrure a clef dans bouton