CA403871A - Fleuret amovible de perforatrice a roc - Google Patents

Fleuret amovible de perforatrice a roc

Info

Publication number
CA403871A
CA403871A CA403871A CA403871DA CA403871A CA 403871 A CA403871 A CA 403871A CA 403871 A CA403871 A CA 403871A CA 403871D A CA403871D A CA 403871DA CA 403871 A CA403871 A CA 403871A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
removable rock
removable
bit
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
CA403871A
Other languages
English (en)
Inventor
W. Ellson Carl
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.)
RAY E TOWNSEND
Original Assignee
RAY E TOWNSEND
Publication date
Application granted granted Critical
Publication of CA403871A publication Critical patent/CA403871A/fr
Expired legal-status Critical Current

Links

CA403871A Fleuret amovible de perforatrice a roc Expired CA403871A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA403871T

Publications (1)

Publication Number Publication Date
CA403871A true CA403871A (fr) 1942-03-31

Family

ID=35414319

Family Applications (1)

Application Number Title Priority Date Filing Date
CA403871A Expired CA403871A (fr) Fleuret amovible de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA403871A (fr)

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