CA139591A - Double disc for drills - Google Patents

Double disc for drills

Info

Publication number
CA139591A
CA139591A CA000139591A CA139591DA CA139591A CA 139591 A CA139591 A CA 139591A CA 000139591 A CA000139591 A CA 000139591A CA 139591D A CA139591D A CA 139591DA CA 139591 A CA139591 A CA 139591A
Authority
CA
Canada
Prior art keywords
drills
double disc
disc
double
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
CA000139591A
Other languages
French (fr)
Inventor
Otto G. Rieske
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.)
MONITOR DRILL Co
Original Assignee
MONITOR DRILL 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 MONITOR DRILL Co filed Critical MONITOR DRILL Co
Application granted granted Critical
Publication of CA139591A publication Critical patent/CA139591A/en
Expired legal-status Critical Current

Links

CA000139591A 1912-02-19 1912-02-19 Double disc for drills Expired CA139591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA139591T 1912-02-19

Publications (1)

Publication Number Publication Date
CA139591A true CA139591A (en) 1912-04-09

Family

ID=45259307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000139591A Expired CA139591A (en) 1912-02-19 1912-02-19 Double disc for drills

Country Status (1)

Country Link
CA (1) CA139591A (en)

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