CA395544A - Fleuret de perforatrice a roc - Google Patents

Fleuret de perforatrice a roc

Info

Publication number
CA395544A
CA395544A CA395544A CA395544DA CA395544A CA 395544 A CA395544 A CA 395544A CA 395544 A CA395544 A CA 395544A CA 395544D A CA395544D A CA 395544DA CA 395544 A CA395544 A CA 395544A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
rock
bit
drill
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
CA395544A
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 CA395544A publication Critical patent/CA395544A/fr
Expired legal-status Critical Current

Links

CA395544A Fleuret de perforatrice a roc Expired CA395544A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA395544T

Publications (1)

Publication Number Publication Date
CA395544A true CA395544A (fr) 1941-04-01

Family

ID=35402992

Family Applications (1)

Application Number Title Priority Date Filing Date
CA395544A Expired CA395544A (fr) Fleuret de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA395544A (fr)

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