CA470196A - Machines d'exploitation - Google Patents

Machines d'exploitation

Info

Publication number
CA470196A
CA470196A CA470196A CA470196DA CA470196A CA 470196 A CA470196 A CA 470196A CA 470196 A CA470196 A CA 470196A CA 470196D A CA470196D A CA 470196DA CA 470196 A CA470196 A CA 470196A
Authority
CA
Canada
Prior art keywords
mining machines
mining
machines
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
CA470196A
Other languages
English (en)
Inventor
Connel Sproul John
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
Publication date
Application granted granted Critical
Publication of CA470196A publication Critical patent/CA470196A/fr
Expired legal-status Critical Current

Links

CA470196A Machines d'exploitation Expired CA470196A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA470196T

Publications (1)

Publication Number Publication Date
CA470196A true CA470196A (fr) 1950-12-19

Family

ID=35604135

Family Applications (1)

Application Number Title Priority Date Filing Date
CA470196A Expired CA470196A (fr) Machines d'exploitation

Country Status (1)

Country Link
CA (1) CA470196A (fr)

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