CA261350A - Tiroir de perforatrice a roc - Google Patents

Tiroir de perforatrice a roc

Info

Publication number
CA261350A
CA261350A CA261350A CA261350DA CA261350A CA 261350 A CA261350 A CA 261350A CA 261350 A CA261350 A CA 261350A CA 261350D A CA261350D A CA 261350DA CA 261350 A CA261350 A CA 261350A
Authority
CA
Canada
Prior art keywords
rock drill
drill valve
valve
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
CA261350A
Other languages
English (en)
Inventor
Christopher Hansen Charles
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA261350A publication Critical patent/CA261350A/fr
Expired legal-status Critical Current

Links

CA261350A Tiroir de perforatrice a roc Expired CA261350A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA261350T

Publications (1)

Publication Number Publication Date
CA261350A true CA261350A (fr) 1926-06-01

Family

ID=35189300

Family Applications (1)

Application Number Title Priority Date Filing Date
CA261350A Expired CA261350A (fr) Tiroir de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA261350A (fr)

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