CA332029A - Unite de foreuse a percussion - Google Patents

Unite de foreuse a percussion

Info

Publication number
CA332029A
CA332029A CA332029A CA332029DA CA332029A CA 332029 A CA332029 A CA 332029A CA 332029 A CA332029 A CA 332029A CA 332029D A CA332029D A CA 332029DA CA 332029 A CA332029 A CA 332029A
Authority
CA
Canada
Prior art keywords
drill unit
percussive drill
percussive
unit
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
CA332029A
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 CA332029A publication Critical patent/CA332029A/fr
Expired legal-status Critical Current

Links

CA332029A Unite de foreuse a percussion Expired CA332029A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA332029T

Publications (1)

Publication Number Publication Date
CA332029A true CA332029A (fr) 1933-04-25

Family

ID=35294399

Family Applications (1)

Application Number Title Priority Date Filing Date
CA332029A Expired CA332029A (fr) Unite de foreuse a percussion

Country Status (1)

Country Link
CA (1) CA332029A (fr)

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