CA544121A - Dispositif de sondage pour ouvertures elliptiques ou autres semblables - Google Patents

Dispositif de sondage pour ouvertures elliptiques ou autres semblables

Info

Publication number
CA544121A
CA544121A CA544121A CA544121DA CA544121A CA 544121 A CA544121 A CA 544121A CA 544121 A CA544121 A CA 544121A CA 544121D A CA544121D A CA 544121DA CA 544121 A CA544121 A CA 544121A
Authority
CA
Canada
Prior art keywords
elliptical
openings
boring device
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
CA544121A
Other languages
English (en)
Inventor
J. Beach Edward
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
Publication date
Application granted granted Critical
Publication of CA544121A publication Critical patent/CA544121A/fr
Expired legal-status Critical Current

Links

CA544121A Dispositif de sondage pour ouvertures elliptiques ou autres semblables Expired CA544121A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA544121T

Publications (1)

Publication Number Publication Date
CA544121A true CA544121A (fr) 1957-07-30

Family

ID=35701294

Family Applications (1)

Application Number Title Priority Date Filing Date
CA544121A Expired CA544121A (fr) Dispositif de sondage pour ouvertures elliptiques ou autres semblables

Country Status (1)

Country Link
CA (1) CA544121A (fr)

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