CA72031A - Mandrin pour barre a mine - Google Patents

Mandrin pour barre a mine

Info

Publication number
CA72031A
CA72031A CA000072031A CA72031DA CA72031A CA 72031 A CA72031 A CA 72031A CA 000072031 A CA000072031 A CA 000072031A CA 72031D A CA72031D A CA 72031DA CA 72031 A CA72031 A CA 72031A
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
CA000072031A
Other languages
English (en)
Inventor
James Kay
Charles T. Wearne
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 CA72031A publication Critical patent/CA72031A/fr
Expired legal-status Critical Current

Links

CA000072031A 1900-10-13 1900-10-13 Mandrin pour barre a mine Expired CA72031A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA72031T 1900-10-13

Publications (1)

Publication Number Publication Date
CA72031A true CA72031A (fr) 1901-07-02

Family

ID=45188568

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000072031A Expired CA72031A (fr) 1900-10-13 1900-10-13 Mandrin pour barre a mine

Country Status (1)

Country Link
CA (1) CA72031A (fr)

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