CA549902A - Cable-tool drills - Google Patents

Cable-tool drills

Info

Publication number
CA549902A
CA549902A CA549902A CA549902DA CA549902A CA 549902 A CA549902 A CA 549902A CA 549902 A CA549902 A CA 549902A CA 549902D A CA549902D A CA 549902DA CA 549902 A CA549902 A CA 549902A
Authority
CA
Canada
Prior art keywords
cable
tool drills
drills
tool
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
CA549902A
Other languages
French (fr)
Inventor
N. Hudson Tom
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.)
Caterpillar Global Mining LLC
Original Assignee
Bucyrus Erie Co
Publication date
Application granted granted Critical
Publication of CA549902A publication Critical patent/CA549902A/en
Expired legal-status Critical Current

Links

CA549902A Cable-tool drills Expired CA549902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA549902T

Publications (1)

Publication Number Publication Date
CA549902A true CA549902A (en) 1957-12-10

Family

ID=35711285

Family Applications (1)

Application Number Title Priority Date Filing Date
CA549902A Expired CA549902A (en) Cable-tool drills

Country Status (1)

Country Link
CA (1) CA549902A (en)

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