CA147560A - Mandrin de forets a roc - Google Patents

Mandrin de forets a roc

Info

Publication number
CA147560A
CA147560A CA000147560A CA147560DA CA147560A CA 147560 A CA147560 A CA 147560A CA 000147560 A CA000147560 A CA 000147560A CA 147560D A CA147560D A CA 147560DA CA 147560 A CA147560 A CA 147560A
Authority
CA
Canada
Prior art keywords
chuck
rock drills
drills
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
CA000147560A
Other languages
English (en)
Inventor
James Charles Hoskins
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 CA147560A publication Critical patent/CA147560A/fr
Expired legal-status Critical Current

Links

CA000147560A 1912-10-14 1912-10-14 Mandrin de forets a roc Expired CA147560A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA147560T 1912-10-14

Publications (1)

Publication Number Publication Date
CA147560A true CA147560A (fr) 1913-04-22

Family

ID=45267274

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000147560A Expired CA147560A (fr) 1912-10-14 1912-10-14 Mandrin de forets a roc

Country Status (1)

Country Link
CA (1) CA147560A (fr)

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