CA480128A - Outil de defoncage combine - Google Patents

Outil de defoncage combine

Info

Publication number
CA480128A
CA480128A CA480128A CA480128DA CA480128A CA 480128 A CA480128 A CA 480128A CA 480128 A CA480128 A CA 480128A CA 480128D A CA480128D A CA 480128DA CA 480128 A CA480128 A CA 480128A
Authority
CA
Canada
Prior art keywords
boring tool
combination boring
combination
tool
boring
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
CA480128A
Other languages
English (en)
Inventor
Mercerou Paul
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.)
SONAPAR SOC DE PARTICIPATION S
Original Assignee
SONAPAR SOC DE PARTICIPATION S
Publication date
Application granted granted Critical
Publication of CA480128A publication Critical patent/CA480128A/fr
Expired legal-status Critical Current

Links

CA480128A Outil de defoncage combine Expired CA480128A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA480128T

Publications (1)

Publication Number Publication Date
CA480128A true CA480128A (fr) 1952-01-08

Family

ID=35619803

Family Applications (1)

Application Number Title Priority Date Filing Date
CA480128A Expired CA480128A (fr) Outil de defoncage combine

Country Status (1)

Country Link
CA (1) CA480128A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329467A (en) * 1965-01-29 1967-07-04 Westinghouse Air Brake Co Mining machine having ripper drum between spaced boring heads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329467A (en) * 1965-01-29 1967-07-04 Westinghouse Air Brake Co Mining machine having ripper drum between spaced boring heads

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