CA468822A - Haveuses a tetes pivotantes - Google Patents

Haveuses a tetes pivotantes

Info

Publication number
CA468822A
CA468822A CA468822A CA468822DA CA468822A CA 468822 A CA468822 A CA 468822A CA 468822 A CA468822 A CA 468822A CA 468822D A CA468822D A CA 468822DA CA 468822 A CA468822 A CA 468822A
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
CA468822A
Other languages
English (en)
Inventor
Kinloch Donaldson 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 CA468822A publication Critical patent/CA468822A/fr
Expired legal-status Critical Current

Links

CA468822A Haveuses a tetes pivotantes Expired CA468822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA468822T

Publications (1)

Publication Number Publication Date
CA468822A true CA468822A (fr) 1950-10-17

Family

ID=35602754

Family Applications (1)

Application Number Title Priority Date Filing Date
CA468822A Expired CA468822A (fr) Haveuses a tetes pivotantes

Country Status (1)

Country Link
CA (1) CA468822A (fr)

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