CA70007A - Machine a percer - Google Patents

Machine a percer

Info

Publication number
CA70007A
CA70007A CA000070007A CA70007DA CA70007A CA 70007 A CA70007 A CA 70007A CA 000070007 A CA000070007 A CA 000070007A CA 70007D A CA70007D A CA 70007DA CA 70007 A CA70007 A CA 70007A
Authority
CA
Canada
Prior art keywords
rock drill
drill
rock
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
CA000070007A
Other languages
English (en)
Inventor
Robert Lunnan Ambrose
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.)
RAND DRILL Co
Original Assignee
RAND DRILL Co
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 RAND DRILL Co filed Critical RAND DRILL Co
Application granted granted Critical
Publication of CA70007A publication Critical patent/CA70007A/fr
Expired legal-status Critical Current

Links

CA000070007A 1900-11-30 1900-11-30 Machine a percer Expired CA70007A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA70007T 1900-11-30

Publications (1)

Publication Number Publication Date
CA70007A true CA70007A (fr) 1901-01-29

Family

ID=45186544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000070007A Expired CA70007A (fr) 1900-11-30 1900-11-30 Machine a percer

Country Status (1)

Country Link
CA (1) CA70007A (fr)

Similar Documents

Publication Publication Date Title
CA69133A (fr) Machine a percer
CA70017A (fr) Foret de mine
CA68998A (fr) Foret
CA70462A (fr) Appareil de barre a mine
CA70008A (fr) Machine a percer
CA69304A (fr) Machine a forer la roche
CA70404A (fr) Drille
CA70141A (fr) Foret
CA68099A (fr) Forets
CA70119A (fr) Foret
CA68300A (fr) Foret
CA74431A (fr) Foret a mine
CA77771A (fr) Mecanisme rotatoire pour forets a mine
CA66875A (fr) Semoir en ligne
CA70442A (fr) Barre a mine
CA70848A (fr) Barre a mine
CA71106A (fr) Barre a mine
CA70911A (fr) Foret a mine
CA71486A (fr) Foret a mine
CA71107A (fr) Barre a mine
CA73783A (fr) Barre a mine
CA70182A (fr) Barre a mine
CA68167A (fr) Foret
CA68168A (fr) Foret
CA68169A (fr) Foret