AT116438B - Erweiterungsbohrer für Tiefbohrungen. - Google Patents

Erweiterungsbohrer für Tiefbohrungen.

Info

Publication number
AT116438B
AT116438B AT116438DA AT116438B AT 116438 B AT116438 B AT 116438B AT 116438D A AT116438D A AT 116438DA AT 116438 B AT116438 B AT 116438B
Authority
AT
Austria
Prior art keywords
deep drilling
extension drill
drill
extension
drilling
Prior art date
Application number
Other languages
English (en)
Original Assignee
Masch & Bohrgeraetefabrik Alf
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Masch & Bohrgeraetefabrik Alf filed Critical Masch & Bohrgeraetefabrik Alf
Application granted granted Critical
Publication of AT116438B publication Critical patent/AT116438B/de

Links

AT116438D 1926-02-15 1927-02-10 Erweiterungsbohrer für Tiefbohrungen. AT116438B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO116438X 1926-02-15

Publications (1)

Publication Number Publication Date
AT116438B true AT116438B (de) 1930-02-25

Family

ID=20086256

Family Applications (1)

Application Number Title Priority Date Filing Date
AT116438D AT116438B (de) 1926-02-15 1927-02-10 Erweiterungsbohrer für Tiefbohrungen.

Country Status (1)

Country Link
AT (1) AT116438B (de)

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