CA316141A - Foreuse verticale en profondeur - Google Patents

Foreuse verticale en profondeur

Info

Publication number
CA316141A
CA316141A CA316141A CA316141DA CA316141A CA 316141 A CA316141 A CA 316141A CA 316141 A CA316141 A CA 316141A CA 316141D A CA316141D A CA 316141DA CA 316141 A CA316141 A CA 316141A
Authority
CA
Canada
Prior art keywords
deep hole
hole drill
vertical deep
vertical
drill
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
CA316141A
Other languages
English (en)
Inventor
R. Krueger Henry
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.)
Pratt and Whitney Co Inc
Original Assignee
Pratt and Whitney Co Inc
Publication date
Application granted granted Critical
Publication of CA316141A publication Critical patent/CA316141A/fr
Expired legal-status Critical Current

Links

CA316141A Foreuse verticale en profondeur Expired CA316141A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA316141T

Publications (1)

Publication Number Publication Date
CA316141A true CA316141A (fr) 1931-10-13

Family

ID=35275469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA316141A Expired CA316141A (fr) Foreuse verticale en profondeur

Country Status (1)

Country Link
CA (1) CA316141A (fr)

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