CA218231A - Foreuse - Google Patents

Foreuse

Info

Publication number
CA218231A
CA218231A CA218231A CA218231DA CA218231A CA 218231 A CA218231 A CA 218231A CA 218231 A CA218231 A CA 218231A CA 218231D A CA218231D A CA 218231DA CA 218231 A CA218231 A CA 218231A
Authority
CA
Canada
Prior art keywords
boring mill
boring
mill
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
CA218231A
Other languages
English (en)
Inventor
W. Parkes Albert
W. Draescke Alfred
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.)
JOHN BERTRAM AND SONS Co
Original Assignee
JOHN BERTRAM AND SONS Co
Publication date
Application granted granted Critical
Publication of CA218231A publication Critical patent/CA218231A/fr
Expired legal-status Critical Current

Links

CA218231A Foreuse Expired CA218231A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA218231T

Publications (1)

Publication Number Publication Date
CA218231A true CA218231A (fr) 1922-05-02

Family

ID=35112675

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218231A Expired CA218231A (fr) Foreuse

Country Status (1)

Country Link
CA (1) CA218231A (fr)

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