CA467024A - Perforatrice - Google Patents

Perforatrice

Info

Publication number
CA467024A
CA467024A CA467024A CA467024DA CA467024A CA 467024 A CA467024 A CA 467024A CA 467024 A CA467024 A CA 467024A CA 467024D A CA467024D A CA 467024DA CA 467024 A CA467024 A CA 467024A
Authority
CA
Canada
Prior art keywords
drilling apparatus
drilling
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
CA467024A
Other languages
English (en)
Inventor
Clark Curtis John
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA467024A publication Critical patent/CA467024A/fr
Expired legal-status Critical Current

Links

CA467024A Perforatrice Expired CA467024A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA467024T

Publications (1)

Publication Number Publication Date
CA467024A true CA467024A (fr) 1950-08-01

Family

ID=35596789

Family Applications (1)

Application Number Title Priority Date Filing Date
CA467024A Expired CA467024A (fr) Perforatrice

Country Status (1)

Country Link
CA (1) CA467024A (fr)

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