CA489343A - Dispositif de surete de cage de mine - Google Patents

Dispositif de surete de cage de mine

Info

Publication number
CA489343A
CA489343A CA489343A CA489343DA CA489343A CA 489343 A CA489343 A CA 489343A CA 489343 A CA489343 A CA 489343A CA 489343D A CA489343D A CA 489343DA CA 489343 A CA489343 A CA 489343A
Authority
CA
Canada
Prior art keywords
safety device
mine cage
cage safety
mine
safety
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
CA489343A
Other languages
English (en)
Inventor
E. Gagnon George
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 CA489343A publication Critical patent/CA489343A/fr
Expired legal-status Critical Current

Links

CA489343A Dispositif de surete de cage de mine Expired CA489343A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489343T

Publications (1)

Publication Number Publication Date
CA489343A true CA489343A (fr) 1953-01-06

Family

ID=35629069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489343A Expired CA489343A (fr) Dispositif de surete de cage de mine

Country Status (1)

Country Link
CA (1) CA489343A (fr)

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