CA1027592A - Excavation method - Google Patents

Excavation method

Info

Publication number
CA1027592A
CA1027592A CA238,418A CA238418A CA1027592A CA 1027592 A CA1027592 A CA 1027592A CA 238418 A CA238418 A CA 238418A CA 1027592 A CA1027592 A CA 1027592A
Authority
CA
Canada
Prior art keywords
excavation method
excavation
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
CA238,418A
Other languages
French (fr)
Inventor
Kenneth M. White
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.)
Western Rock Bit Co Ltd
Original Assignee
Western Rock Bit Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Rock Bit Co Ltd filed Critical Western Rock Bit Co Ltd
Priority to CA238,418A priority Critical patent/CA1027592A/en
Application granted granted Critical
Publication of CA1027592A publication Critical patent/CA1027592A/en
Expired legal-status Critical Current

Links

CA238,418A 1975-10-27 1975-10-27 Excavation method Expired CA1027592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA238,418A CA1027592A (en) 1975-10-27 1975-10-27 Excavation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238,418A CA1027592A (en) 1975-10-27 1975-10-27 Excavation method

Publications (1)

Publication Number Publication Date
CA1027592A true CA1027592A (en) 1978-03-07

Family

ID=4104373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238,418A Expired CA1027592A (en) 1975-10-27 1975-10-27 Excavation method

Country Status (1)

Country Link
CA (1) CA1027592A (en)

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