CA458610A - Methode et appareil de mines - Google Patents

Methode et appareil de mines

Info

Publication number
CA458610A
CA458610A CA458610A CA458610DA CA458610A CA 458610 A CA458610 A CA 458610A CA 458610 A CA458610 A CA 458610A CA 458610D A CA458610D A CA 458610DA CA 458610 A CA458610 A CA 458610A
Authority
CA
Canada
Prior art keywords
mining
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
CA458610A
Other languages
English (en)
Inventor
Bridie Mavor 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 CA458610A publication Critical patent/CA458610A/fr
Expired legal-status Critical Current

Links

CA458610A Methode et appareil de mines Expired CA458610A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA458610T

Publications (1)

Publication Number Publication Date
CA458610A true CA458610A (fr) 1949-08-02

Family

ID=35577059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA458610A Expired CA458610A (fr) Methode et appareil de mines

Country Status (1)

Country Link
CA (1) CA458610A (fr)

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