CA255453A - Meche de perforatrice de roc - Google Patents

Meche de perforatrice de roc

Info

Publication number
CA255453A
CA255453A CA255453A CA255453DA CA255453A CA 255453 A CA255453 A CA 255453A CA 255453 A CA255453 A CA 255453A CA 255453D A CA255453D A CA 255453DA CA 255453 A CA255453 A CA 255453A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
rock
bit
drill
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
CA255453A
Other languages
English (en)
Inventor
A. Kee Harry
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
Publication date
Application granted granted Critical
Publication of CA255453A publication Critical patent/CA255453A/fr
Expired legal-status Critical Current

Links

CA255453A Meche de perforatrice de roc Expired CA255453A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA255453T

Publications (1)

Publication Number Publication Date
CA255453A true CA255453A (fr) 1925-11-17

Family

ID=35164003

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255453A Expired CA255453A (fr) Meche de perforatrice de roc

Country Status (1)

Country Link
CA (1) CA255453A (fr)

Similar Documents

Publication Publication Date Title
CA255453A (fr) Meche de perforatrice de roc
CA255955A (fr) Meche de foret
CA247936A (fr) Foret a roc
CA248874A (fr) Foret a roc
CA256217A (fr) Foret a roc
CA256691A (fr) Foret a roc
CA276360A (fr) Meche de foreuse a roc
CA276361A (fr) Meche de foreuse a roc
CA256804A (fr) Perforatrice a roc sans poussiere
CA264062A (fr) Meche de perforatrice
CA236763A (fr) Foret a roc
CA238518A (fr) Foret
CA255117A (fr) Grue de forage de puits
CA250505A (fr) Meche a miner
CA258961A (fr) Foret a roc
CA260700A (fr) Perforatrice de roc
CA260701A (fr) Perforatrice de roc
CA266780A (fr) Foret a roc
CA275603A (fr) Meche de perforatrice rotative
CA228934A (fr) Foret a roc
CA247340A (fr) Rotation de foret a roc
CA267646A (fr) Foret a roc
CA267967A (fr) Perforatrice a roc
CA268830A (fr) Foret a roc
CA270362A (fr) Foret a roc