CA81020A - Foret a roche - Google Patents

Foret a roche

Info

Publication number
CA81020A
CA81020A CA000081020A CA81020DA CA81020A CA 81020 A CA81020 A CA 81020A CA 000081020 A CA000081020 A CA 000081020A CA 81020D A CA81020D A CA 81020DA CA 81020 A CA81020 A CA 81020A
Authority
CA
Canada
Prior art keywords
rock drill
drill
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
CA000081020A
Other languages
English (en)
Inventor
Henry Mccoy Morris
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.)
BICKFORD DRILL AND TOOL Co
Original Assignee
BICKFORD DRILL AND TOOL Co
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 BICKFORD DRILL AND TOOL Co filed Critical BICKFORD DRILL AND TOOL Co
Application granted granted Critical
Publication of CA81020A publication Critical patent/CA81020A/fr
Expired legal-status Critical Current

Links

CA000081020A 1902-06-28 1902-06-28 Foret a roche Expired CA81020A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA81020T 1902-06-28

Publications (1)

Publication Number Publication Date
CA81020A true CA81020A (fr) 1903-05-19

Family

ID=45197556

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000081020A Expired CA81020A (fr) 1902-06-28 1902-06-28 Foret a roche

Country Status (1)

Country Link
CA (1) CA81020A (fr)

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