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CA582444A - Drilling head - Google Patents

Drilling head

Info

Publication number
CA582444A
CA582444A CA582444A CA582444DA CA582444A CA 582444 A CA582444 A CA 582444A CA 582444 A CA582444 A CA 582444A CA 582444D A CA582444D A CA 582444DA CA 582444 A CA582444 A CA 582444A
Authority
CA
Canada
Prior art keywords
drilling head
drilling
head
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
CA582444A
Other languages
French (fr)
Inventor
Zwick Kurt
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA582444A publication Critical patent/CA582444A/en
Expired legal-status Critical Current

Links

CA582444A Drilling head Expired CA582444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA582444T

Publications (1)

Publication Number Publication Date
CA582444A true CA582444A (en) 1959-09-01

Family

ID=35761879

Family Applications (1)

Application Number Title Priority Date Filing Date
CA582444A Expired CA582444A (en) Drilling head

Country Status (1)

Country Link
CA (1) CA582444A (en)

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