CA69361A - Machine a percer - Google Patents

Machine a percer

Info

Publication number
CA69361A
CA69361A CA000069361A CA69361DA CA69361A CA 69361 A CA69361 A CA 69361A CA 000069361 A CA000069361 A CA 000069361A CA 69361D A CA69361D A CA 69361DA CA 69361 A CA69361 A CA 69361A
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
CA000069361A
Other languages
English (en)
Inventor
Hugh Vincent Conrad
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA69361A publication Critical patent/CA69361A/fr
Expired legal-status Critical Current

Links

CA000069361A 1899-10-13 1899-10-13 Machine a percer Expired CA69361A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA69361T 1899-10-13

Publications (1)

Publication Number Publication Date
CA69361A true CA69361A (fr) 1900-11-16

Family

ID=45185899

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000069361A Expired CA69361A (fr) 1899-10-13 1899-10-13 Machine a percer

Country Status (1)

Country Link
CA (1) CA69361A (fr)

Similar Documents

Publication Publication Date Title
CA69361A (fr) Machine a percer
CA66524A (fr) Machine a percer
CA67113A (fr) Machine a percer
CA68167A (fr) Foret
CA68168A (fr) Foret
CA68169A (fr) Foret
CA67104A (fr) Machine a forer la roche
CA62921A (fr) Drille
CA65447A (fr) Foret
CA65978A (fr) Foret electrique pour la roche
CA65445A (fr) Foret pour le charbon
CA59909A (fr) Barre a mine
CA60958A (fr) Percoir a rocher
CA62098A (fr) Foret de mine
CA68998A (fr) Foret
CA69133A (fr) Machine a percer
CA70007A (fr) Machine a percer
CA70017A (fr) Foret de mine
CA74431A (fr) Foret a mine
CA66650A (fr) Marteau a miner
CA66325A (fr) Mecanisme de foret
CA64426A (fr) Semoir en ligne
CA77771A (fr) Mecanisme rotatoire pour forets a mine
CA63891A (fr) Foret pour puits a huile
CA69304A (fr) Machine a forer la roche