CA359138A - Fleuret de perforatrice a roc - Google Patents

Fleuret de perforatrice a roc

Info

Publication number
CA359138A
CA359138A CA359138A CA359138DA CA359138A CA 359138 A CA359138 A CA 359138A CA 359138 A CA359138 A CA 359138A CA 359138D A CA359138D A CA 359138DA CA 359138 A CA359138 A CA 359138A
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
CA359138A
Other languages
English (en)
Inventor
Benjamin Wolf Martin
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.)
Thompson Products Ltd
Original Assignee
Thompson Products Ltd
Publication date
Application granted granted Critical
Publication of CA359138A publication Critical patent/CA359138A/fr
Expired legal-status Critical Current

Links

CA359138A Fleuret de perforatrice a roc Expired CA359138A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA359138T

Publications (1)

Publication Number Publication Date
CA359138A true CA359138A (fr) 1936-07-14

Family

ID=35358479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA359138A Expired CA359138A (fr) Fleuret de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA359138A (fr)

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