CA233183A - Contrepoids de foreuse - Google Patents

Contrepoids de foreuse

Info

Publication number
CA233183A
CA233183A CA233183A CA233183DA CA233183A CA 233183 A CA233183 A CA 233183A CA 233183 A CA233183 A CA 233183A CA 233183D A CA233183D A CA 233183DA CA 233183 A CA233183 A CA 233183A
Authority
CA
Canada
Prior art keywords
counterweight
boring mills
mills
boring
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
CA233183A
Other languages
English (en)
Inventor
Carl Wais Albert
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 CA233183A publication Critical patent/CA233183A/fr
Expired legal-status Critical Current

Links

CA233183A Contrepoids de foreuse Expired CA233183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA233183T

Publications (1)

Publication Number Publication Date
CA233183A true CA233183A (fr) 1923-07-31

Family

ID=35130557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA233183A Expired CA233183A (fr) Contrepoids de foreuse

Country Status (1)

Country Link
CA (1) CA233183A (fr)

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