CA469286A - Excavation angles - Google Patents

Excavation angles

Info

Publication number
CA469286A
CA469286A CA469286A CA469286DA CA469286A CA 469286 A CA469286 A CA 469286A CA 469286 A CA469286 A CA 469286A CA 469286D A CA469286D A CA 469286DA CA 469286 A CA469286 A CA 469286A
Authority
CA
Canada
Prior art keywords
excavation
angles
excavation angles
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
CA469286A
Other languages
French (fr)
Inventor
Raymond Ray
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 CA469286A publication Critical patent/CA469286A/en
Expired legal-status Critical Current

Links

CA469286A Excavation angles Expired CA469286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA469286T

Publications (1)

Publication Number Publication Date
CA469286A true CA469286A (en) 1950-11-14

Family

ID=35603221

Family Applications (1)

Application Number Title Priority Date Filing Date
CA469286A Expired CA469286A (en) Excavation angles

Country Status (1)

Country Link
CA (1) CA469286A (en)

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