CA473232A - Instruments pour l'entreprise de travaux de creusage - Google Patents

Instruments pour l'entreprise de travaux de creusage

Info

Publication number
CA473232A
CA473232A CA473232A CA473232DA CA473232A CA 473232 A CA473232 A CA 473232A CA 473232 A CA473232 A CA 473232A CA 473232D A CA473232D A CA 473232DA CA 473232 A CA473232 A CA 473232A
Authority
CA
Canada
Prior art keywords
implements
carrying
out digging
digging operations
operations
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
CA473232A
Other languages
English (en)
Inventor
John Rice Charles
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 CA473232A publication Critical patent/CA473232A/fr
Expired legal-status Critical Current

Links

CA473232A Instruments pour l'entreprise de travaux de creusage Expired CA473232A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA473232T

Publications (1)

Publication Number Publication Date
CA473232A true CA473232A (fr) 1951-05-01

Family

ID=35607200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA473232A Expired CA473232A (fr) Instruments pour l'entreprise de travaux de creusage

Country Status (1)

Country Link
CA (1) CA473232A (fr)

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