CA896403A - Excavating method and apparatus - Google Patents

Excavating method and apparatus

Info

Publication number
CA896403A
CA896403A CA896403A CA896403DA CA896403A CA 896403 A CA896403 A CA 896403A CA 896403 A CA896403 A CA 896403A CA 896403D A CA896403D A CA 896403DA CA 896403 A CA896403 A CA 896403A
Authority
CA
Canada
Prior art keywords
excavating method
excavating
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
CA896403A
Inventor
E. Chaney Preston
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.)
Sunoco Inc
Original Assignee
Sun Oil Co
Publication date
Application granted granted Critical
Publication of CA896403A publication Critical patent/CA896403A/en
Expired legal-status Critical Current

Links

CA896403A Excavating method and apparatus Expired CA896403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA896403T

Publications (1)

Publication Number Publication Date
CA896403A true CA896403A (en) 1972-03-28

Family

ID=36402362

Family Applications (1)

Application Number Title Priority Date Filing Date
CA896403A Expired CA896403A (en) Excavating method and apparatus

Country Status (1)

Country Link
CA (1) CA896403A (en)

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