CA491649A - Machines a creuser des fosses - Google Patents

Machines a creuser des fosses

Info

Publication number
CA491649A
CA491649A CA491649A CA491649DA CA491649A CA 491649 A CA491649 A CA 491649A CA 491649 A CA491649 A CA 491649A CA 491649D A CA491649D A CA 491649DA CA 491649 A CA491649 A CA 491649A
Authority
CA
Canada
Prior art keywords
digging machine
ditch digging
ditch
machine
digging
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
CA491649A
Other languages
English (en)
Inventor
Harald Liljeqvist Alf
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.)
JARNKONSTRUKTION AB
Original Assignee
JARNKONSTRUKTION AB
Publication date
Application granted granted Critical
Publication of CA491649A publication Critical patent/CA491649A/fr
Expired legal-status Critical Current

Links

CA491649A Machines a creuser des fosses Expired CA491649A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA491649T

Publications (1)

Publication Number Publication Date
CA491649A true CA491649A (fr) 1953-03-31

Family

ID=35631393

Family Applications (1)

Application Number Title Priority Date Filing Date
CA491649A Expired CA491649A (fr) Machines a creuser des fosses

Country Status (1)

Country Link
CA (1) CA491649A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039208A (en) * 1956-05-22 1962-06-19 Nicholas P Oglesby Trench digging machines
US4034490A (en) * 1975-11-03 1977-07-12 Laserplane Corporation Automatic depth control for endless chain type trencher
US4277899A (en) * 1978-12-01 1981-07-14 Friedrich Wilh. Schwing Gmbh Excavating machine with position indication of its work implement
US4750280A (en) * 1985-11-18 1988-06-14 Dalaine Jean C Trench-digging machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039208A (en) * 1956-05-22 1962-06-19 Nicholas P Oglesby Trench digging machines
US4034490A (en) * 1975-11-03 1977-07-12 Laserplane Corporation Automatic depth control for endless chain type trencher
US4277899A (en) * 1978-12-01 1981-07-14 Friedrich Wilh. Schwing Gmbh Excavating machine with position indication of its work implement
US4750280A (en) * 1985-11-18 1988-06-14 Dalaine Jean C Trench-digging machine

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