CA199198A - Machine a couper le roc - Google Patents

Machine a couper le roc

Info

Publication number
CA199198A
CA199198A CA199198A CA199198DA CA199198A CA 199198 A CA199198 A CA 199198A CA 199198 A CA199198 A CA 199198A CA 199198D A CA199198D A CA 199198DA CA 199198 A CA199198 A CA 199198A
Authority
CA
Canada
Prior art keywords
cutting machine
rock cutting
rock
machine
cutting
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
CA199198A
Other languages
English (en)
Inventor
John Palma Frederick
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.)
UNIVERSAL COAL MACHINE Co
Original Assignee
UNIVERSAL COAL MACHINE Co
Publication date
Application granted granted Critical
Publication of CA199198A publication Critical patent/CA199198A/fr
Expired legal-status Critical Current

Links

CA199198A Machine a couper le roc Expired CA199198A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199198T

Publications (1)

Publication Number Publication Date
CA199198A true CA199198A (fr) 1920-04-13

Family

ID=35073635

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199198A Expired CA199198A (fr) Machine a couper le roc

Country Status (1)

Country Link
CA (1) CA199198A (fr)

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