CA330086A - Dispositif de perforatrice a roc - Google Patents

Dispositif de perforatrice a roc

Info

Publication number
CA330086A
CA330086A CA330086A CA330086DA CA330086A CA 330086 A CA330086 A CA 330086A CA 330086 A CA330086 A CA 330086A CA 330086D A CA330086D A CA 330086DA CA 330086 A CA330086 A CA 330086A
Authority
CA
Canada
Prior art keywords
drilling device
rock drilling
rock
drilling
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
CA330086A
Other languages
English (en)
Inventor
John Carroll Wilfred
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.)
LOUIS MCCLURE
Original Assignee
LOUIS MCCLURE
Publication date
Application granted granted Critical
Publication of CA330086A publication Critical patent/CA330086A/fr
Expired legal-status Critical Current

Links

CA330086A Dispositif de perforatrice a roc Expired CA330086A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA330086T

Publications (1)

Publication Number Publication Date
CA330086A true CA330086A (fr) 1933-02-07

Family

ID=35292455

Family Applications (1)

Application Number Title Priority Date Filing Date
CA330086A Expired CA330086A (fr) Dispositif de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA330086A (fr)

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