CA429077A - Raccord de perforatrice a roc - Google Patents

Raccord de perforatrice a roc

Info

Publication number
CA429077A
CA429077A CA429077A CA429077DA CA429077A CA 429077 A CA429077 A CA 429077A CA 429077 A CA429077 A CA 429077A CA 429077D A CA429077D A CA 429077DA CA 429077 A CA429077 A CA 429077A
Authority
CA
Canada
Prior art keywords
rock drill
drill connection
connection
rock
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
CA429077A
Other languages
English (en)
Inventor
J. Bowman Edward
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 CA429077A publication Critical patent/CA429077A/fr
Expired legal-status Critical Current

Links

CA429077A Raccord de perforatrice a roc Expired CA429077A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA429077T

Publications (1)

Publication Number Publication Date
CA429077A true CA429077A (fr) 1945-07-31

Family

ID=35544067

Family Applications (1)

Application Number Title Priority Date Filing Date
CA429077A Expired CA429077A (fr) Raccord de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA429077A (fr)

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