CA414465A - Tiroir de perforatrice a roc - Google Patents

Tiroir de perforatrice a roc

Info

Publication number
CA414465A
CA414465A CA414465A CA414465DA CA414465A CA 414465 A CA414465 A CA 414465A CA 414465 A CA414465 A CA 414465A CA 414465D A CA414465D A CA 414465DA CA 414465 A CA414465 A CA 414465A
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
CA414465A
Other languages
English (en)
Inventor
Reuben Mack Albert
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 CA414465A publication Critical patent/CA414465A/fr
Expired legal-status Critical Current

Links

CA414465A Tiroir de perforatrice a roc Expired CA414465A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA414465T

Publications (1)

Publication Number Publication Date
CA414465A true CA414465A (fr) 1943-08-10

Family

ID=35523657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA414465A Expired CA414465A (fr) Tiroir de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA414465A (fr)

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