CA291214A - Valve for rock drills - Google Patents

Valve for rock drills

Info

Publication number
CA291214A
CA291214A CA291214A CA291214DA CA291214A CA 291214 A CA291214 A CA 291214A CA 291214 A CA291214 A CA 291214A CA 291214D A CA291214D A CA 291214DA CA 291214 A CA291214 A CA 291214A
Authority
CA
Canada
Prior art keywords
valve
rock drills
drills
rock
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
CA291214A
Other languages
French (fr)
Inventor
Mortimer Slater Fred
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 CA291214A publication Critical patent/CA291214A/en
Expired legal-status Critical Current

Links

CA291214A Valve for rock drills Expired CA291214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291214T

Publications (1)

Publication Number Publication Date
CA291214A true CA291214A (en) 1929-07-09

Family

ID=35228026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA291214A Expired CA291214A (en) Valve for rock drills

Country Status (1)

Country Link
CA (1) CA291214A (en)

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