CA417077A - Appareil de perforatrice - Google Patents

Appareil de perforatrice

Info

Publication number
CA417077A
CA417077A CA417077A CA417077DA CA417077A CA 417077 A CA417077 A CA 417077A CA 417077 A CA417077 A CA 417077A CA 417077D A CA417077D A CA 417077DA CA 417077 A CA417077 A CA 417077A
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
CA417077A
Other languages
English (en)
Inventor
Withers Paget Win
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.)
Sullivan Machinery Co
Original Assignee
Sullivan Machinery Co
Publication date
Application granted granted Critical
Publication of CA417077A publication Critical patent/CA417077A/fr
Expired legal-status Critical Current

Links

CA417077A Appareil de perforatrice Expired CA417077A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA417077T

Publications (1)

Publication Number Publication Date
CA417077A true CA417077A (fr) 1943-12-14

Family

ID=35526318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA417077A Expired CA417077A (fr) Appareil de perforatrice

Country Status (1)

Country Link
CA (1) CA417077A (fr)

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