AT87419B - Vorrichtung zum Ausheben des Schusterbohrers aus dem Bohrloch. - Google Patents

Vorrichtung zum Ausheben des Schusterbohrers aus dem Bohrloch.

Info

Publication number
AT87419B
AT87419B AT87419DA AT87419B AT 87419 B AT87419 B AT 87419B AT 87419D A AT87419D A AT 87419DA AT 87419 B AT87419 B AT 87419B
Authority
AT
Austria
Prior art keywords
cobbler
borehole
lifting
drill out
drill
Prior art date
Application number
Other languages
English (en)
Inventor
Wilhelm Lana
Original Assignee
Wilhelm Lana
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 Wilhelm Lana filed Critical Wilhelm Lana
Application granted granted Critical
Publication of AT87419B publication Critical patent/AT87419B/de

Links

AT87419D 1920-09-25 1920-09-25 Vorrichtung zum Ausheben des Schusterbohrers aus dem Bohrloch. AT87419B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT87419T 1920-09-25

Publications (1)

Publication Number Publication Date
AT87419B true AT87419B (de) 1922-02-25

Family

ID=3608150

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87419D AT87419B (de) 1920-09-25 1920-09-25 Vorrichtung zum Ausheben des Schusterbohrers aus dem Bohrloch.

Country Status (1)

Country Link
AT (1) AT87419B (de)

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