CA373560A - Dispositif de controle de perforatrice - Google Patents

Dispositif de controle de perforatrice

Info

Publication number
CA373560A
CA373560A CA373560A CA373560DA CA373560A CA 373560 A CA373560 A CA 373560A CA 373560 A CA373560 A CA 373560A CA 373560D A CA373560D A CA 373560DA CA 373560 A CA373560 A CA 373560A
Authority
CA
Canada
Prior art keywords
controlling device
drill controlling
drill
controlling
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
CA373560A
Other languages
English (en)
Inventor
Stanley Madsen Norman
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 CA373560A publication Critical patent/CA373560A/fr
Expired legal-status Critical Current

Links

CA373560A Dispositif de controle de perforatrice Expired CA373560A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA373560T

Publications (1)

Publication Number Publication Date
CA373560A true CA373560A (fr) 1938-05-03

Family

ID=35377884

Family Applications (1)

Application Number Title Priority Date Filing Date
CA373560A Expired CA373560A (fr) Dispositif de controle de perforatrice

Country Status (1)

Country Link
CA (1) CA373560A (fr)

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