CA139256A - Mecanisme de machines a forer le roc - Google Patents

Mecanisme de machines a forer le roc

Info

Publication number
CA139256A
CA139256A CA000139256A CA139256DA CA139256A CA 139256 A CA139256 A CA 139256A CA 000139256 A CA000139256 A CA 000139256A CA 139256D A CA139256D A CA 139256DA CA 139256 A CA139256 A CA 139256A
Authority
CA
Canada
Prior art keywords
rock drilling
engine mechanism
drilling engine
rock
engine
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
CA000139256A
Other languages
English (en)
Inventor
John George Leyner
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 CA139256A publication Critical patent/CA139256A/fr
Expired legal-status Critical Current

Links

CA000139256A 1911-08-30 1911-08-30 Mecanisme de machines a forer le roc Expired CA139256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA139256T 1911-08-30

Publications (1)

Publication Number Publication Date
CA139256A true CA139256A (fr) 1912-03-19

Family

ID=45258972

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000139256A Expired CA139256A (fr) 1911-08-30 1911-08-30 Mecanisme de machines a forer le roc

Country Status (1)

Country Link
CA (1) CA139256A (fr)

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