CA288286A - Tiroir de performatrice a roc - Google Patents

Tiroir de performatrice a roc

Info

Publication number
CA288286A
CA288286A CA288286A CA288286DA CA288286A CA 288286 A CA288286 A CA 288286A CA 288286 A CA288286 A CA 288286A CA 288286D A CA288286D A CA 288286DA CA 288286 A CA288286 A CA 288286A
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
CA288286A
Other languages
English (en)
Inventor
Augustus Smith William
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 CA288286A publication Critical patent/CA288286A/fr
Expired legal-status Critical Current

Links

CA288286A Tiroir de performatrice a roc Expired CA288286A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA288286T

Publications (1)

Publication Number Publication Date
CA288286A true CA288286A (fr) 1929-03-26

Family

ID=35225098

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288286A Expired CA288286A (fr) Tiroir de performatrice a roc

Country Status (1)

Country Link
CA (1) CA288286A (fr)

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