CA479089A - Ancres de terre - Google Patents

Ancres de terre

Info

Publication number
CA479089A
CA479089A CA479089A CA479089DA CA479089A CA 479089 A CA479089 A CA 479089A CA 479089 A CA479089 A CA 479089A CA 479089D A CA479089D A CA 479089DA CA 479089 A CA479089 A CA 479089A
Authority
CA
Canada
Prior art keywords
ground anchors
anchors
ground
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
CA479089A
Other languages
English (en)
Inventor
G. Steinmayer Alwin
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.)
Canadian Line Materials Ltd
Original Assignee
Canadian Line Materials Ltd
Publication date
Application granted granted Critical
Publication of CA479089A publication Critical patent/CA479089A/fr
Expired legal-status Critical Current

Links

CA479089A Ancres de terre Expired CA479089A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA479089T

Publications (1)

Publication Number Publication Date
CA479089A true CA479089A (fr) 1951-12-04

Family

ID=35618753

Family Applications (1)

Application Number Title Priority Date Filing Date
CA479089A Expired CA479089A (fr) Ancres de terre

Country Status (1)

Country Link
CA (1) CA479089A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022700A (en) * 1958-03-14 1962-02-27 Pattin Mfg Company Inc Mine roof bolt assembly with sequential multiple expansion means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022700A (en) * 1958-03-14 1962-02-27 Pattin Mfg Company Inc Mine roof bolt assembly with sequential multiple expansion means

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