CA793152A - Method of and apparatus for rock excavation - Google Patents

Method of and apparatus for rock excavation

Info

Publication number
CA793152A
CA793152A CA793152A CA793152DA CA793152A CA 793152 A CA793152 A CA 793152A CA 793152 A CA793152 A CA 793152A CA 793152D A CA793152D A CA 793152DA CA 793152 A CA793152 A CA 793152A
Authority
CA
Canada
Prior art keywords
rock excavation
excavation
rock
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
CA793152A
Inventor
W. Enz Robert
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 CA793152A publication Critical patent/CA793152A/en
Expired legal-status Critical Current

Links

CA793152A Method of and apparatus for rock excavation Expired CA793152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA793152T

Publications (1)

Publication Number Publication Date
CA793152A true CA793152A (en) 1968-08-27

Family

ID=36257148

Family Applications (1)

Application Number Title Priority Date Filing Date
CA793152A Expired CA793152A (en) Method of and apparatus for rock excavation

Country Status (1)

Country Link
CA (1) CA793152A (en)

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