CA322300A - Mecanisme du tiroir de perforatrice a roc - Google Patents

Mecanisme du tiroir de perforatrice a roc

Info

Publication number
CA322300A
CA322300A CA322300A CA322300DA CA322300A CA 322300 A CA322300 A CA 322300A CA 322300 A CA322300 A CA 322300A CA 322300D A CA322300D A CA 322300DA CA 322300 A CA322300 A CA 322300A
Authority
CA
Canada
Prior art keywords
valve mechanism
rock drills
drills
rock
valve
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
CA322300A
Other languages
English (en)
Inventor
William Augustus Smith, Sr.
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 CA322300A publication Critical patent/CA322300A/fr
Expired legal-status Critical Current

Links

CA322300A Mecanisme du tiroir de perforatrice a roc Expired CA322300A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA322300T

Publications (1)

Publication Number Publication Date
CA322300A true CA322300A (fr) 1932-05-10

Family

ID=35282853

Family Applications (1)

Application Number Title Priority Date Filing Date
CA322300A Expired CA322300A (fr) Mecanisme du tiroir de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA322300A (fr)

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