CA496059A - Perforatrice a dents rapportees - Google Patents

Perforatrice a dents rapportees

Info

Publication number
CA496059A
CA496059A CA496059A CA496059DA CA496059A CA 496059 A CA496059 A CA 496059A CA 496059 A CA496059 A CA 496059A CA 496059D A CA496059D A CA 496059DA CA 496059 A CA496059 A CA 496059A
Authority
CA
Canada
Prior art keywords
rock drill
inserted tooth
tooth rock
drill
tooth
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
CA496059A
Other languages
English (en)
Inventor
A. Letts Orlando
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 CA496059A publication Critical patent/CA496059A/fr
Expired legal-status Critical Current

Links

CA496059A Perforatrice a dents rapportees Expired CA496059A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA496059T

Publications (1)

Publication Number Publication Date
CA496059A true CA496059A (fr) 1953-09-15

Family

ID=35641476

Family Applications (1)

Application Number Title Priority Date Filing Date
CA496059A Expired CA496059A (fr) Perforatrice a dents rapportees

Country Status (1)

Country Link
CA (1) CA496059A (fr)

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