CA78256A - Mandrin pour forets a mine - Google Patents

Mandrin pour forets a mine

Info

Publication number
CA78256A
CA78256A CA000078256A CA78256DA CA78256A CA 78256 A CA78256 A CA 78256A CA 000078256 A CA000078256 A CA 000078256A CA 78256D A CA78256D A CA 78256DA CA 78256 A CA78256 A CA 78256A
Authority
CA
Canada
Prior art keywords
rock drill
drill chuck
chuck
rock
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
CA000078256A
Other languages
English (en)
Inventor
Robert H. Hamill
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.)
HAMELL ALFRED
Original Assignee
HAMELL ALFRED
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 HAMELL ALFRED filed Critical HAMELL ALFRED
Application granted granted Critical
Publication of CA78256A publication Critical patent/CA78256A/fr
Expired legal-status Critical Current

Links

CA000078256A 1902-04-30 1902-04-30 Mandrin pour forets a mine Expired CA78256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA78256T 1902-04-30

Publications (1)

Publication Number Publication Date
CA78256A true CA78256A (fr) 1902-11-18

Family

ID=45194792

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000078256A Expired CA78256A (fr) 1902-04-30 1902-04-30 Mandrin pour forets a mine

Country Status (1)

Country Link
CA (1) CA78256A (fr)

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