CA480127A - Boring apparatus for mines, quarries, etc. - Google Patents

Boring apparatus for mines, quarries, etc.

Info

Publication number
CA480127A
CA480127A CA480127A CA480127DA CA480127A CA 480127 A CA480127 A CA 480127A CA 480127 A CA480127 A CA 480127A CA 480127D A CA480127D A CA 480127DA CA 480127 A CA480127 A CA 480127A
Authority
CA
Canada
Prior art keywords
quarries
mines
boring apparatus
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
CA480127A
Other languages
French (fr)
Inventor
Mercerou Paul
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.)
SONAPAR SOC DE PARTICIPATION S
Original Assignee
SONAPAR SOC DE PARTICIPATION S
Publication date
Application granted granted Critical
Publication of CA480127A publication Critical patent/CA480127A/en
Expired legal-status Critical Current

Links

CA480127A Boring apparatus for mines, quarries, etc. Expired CA480127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA480127T

Publications (1)

Publication Number Publication Date
CA480127A true CA480127A (en) 1952-01-08

Family

ID=35619802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA480127A Expired CA480127A (en) Boring apparatus for mines, quarries, etc.

Country Status (1)

Country Link
CA (1) CA480127A (en)

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