CA515358A - Forets rotatifs a percussion - Google Patents

Forets rotatifs a percussion

Info

Publication number
CA515358A
CA515358A CA515358A CA515358DA CA515358A CA 515358 A CA515358 A CA 515358A CA 515358 A CA515358 A CA 515358A CA 515358D A CA515358D A CA 515358DA CA 515358 A CA515358 A CA 515358A
Authority
CA
Canada
Prior art keywords
rotary percussion
percussion drills
drills
rotary
percussion
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
CA515358A
Other languages
English (en)
Inventor
Craig Ernest
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 CA515358A publication Critical patent/CA515358A/fr
Expired legal-status Critical Current

Links

CA515358A Forets rotatifs a percussion Expired CA515358A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA515358T

Publications (1)

Publication Number Publication Date
CA515358A true CA515358A (fr) 1955-08-09

Family

ID=35666449

Family Applications (1)

Application Number Title Priority Date Filing Date
CA515358A Expired CA515358A (fr) Forets rotatifs a percussion

Country Status (1)

Country Link
CA (1) CA515358A (fr)

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