CA189743A - Mandrin a foret - Google Patents

Mandrin a foret

Info

Publication number
CA189743A
CA189743A CA000189743A CA189743DA CA189743A CA 189743 A CA189743 A CA 189743A CA 000189743 A CA000189743 A CA 000189743A CA 189743D A CA189743D A CA 189743DA CA 189743 A CA189743 A CA 189743A
Authority
CA
Canada
Prior art keywords
drill head
drill
head
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
CA000189743A
Other languages
English (en)
Inventor
Joseph F. Buhr
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 CA189743A publication Critical patent/CA189743A/fr
Expired legal-status Critical Current

Links

CA000189743A 1918-04-29 1918-04-29 Mandrin a foret Expired CA189743A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA189743T 1918-04-29

Publications (1)

Publication Number Publication Date
CA189743A true CA189743A (fr) 1919-04-22

Family

ID=45309394

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000189743A Expired CA189743A (fr) 1918-04-29 1918-04-29 Mandrin a foret

Country Status (1)

Country Link
CA (1) CA189743A (fr)

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