CA352291A - Etai de mine - Google Patents

Etai de mine

Info

Publication number
CA352291A
CA352291A CA352291A CA352291DA CA352291A CA 352291 A CA352291 A CA 352291A CA 352291 A CA352291 A CA 352291A CA 352291D A CA352291D A CA 352291DA CA 352291 A CA352291 A CA 352291A
Authority
CA
Canada
Prior art keywords
chock
mine
mine chock
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
CA352291A
Other languages
English (en)
Inventor
Wilson Archibald
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 CA352291A publication Critical patent/CA352291A/fr
Expired legal-status Critical Current

Links

CA352291A Etai de mine Expired CA352291A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA352291T

Publications (1)

Publication Number Publication Date
CA352291A true CA352291A (fr) 1935-08-13

Family

ID=35340254

Family Applications (1)

Application Number Title Priority Date Filing Date
CA352291A Expired CA352291A (fr) Etai de mine

Country Status (1)

Country Link
CA (1) CA352291A (fr)

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