AT195369B - Gesteinsbohrkrone für schlagendes Bohren - Google Patents

Gesteinsbohrkrone für schlagendes Bohren

Info

Publication number
AT195369B
AT195369B AT195369DA AT195369B AT 195369 B AT195369 B AT 195369B AT 195369D A AT195369D A AT 195369DA AT 195369 B AT195369 B AT 195369B
Authority
AT
Austria
Prior art keywords
drill bit
rock drill
percussive drilling
percussive
drilling
Prior art date
Application number
Other languages
English (en)
Original Assignee
Boehler & Co Ag Geb
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 Boehler & Co Ag Geb filed Critical Boehler & Co Ag Geb
Application granted granted Critical
Publication of AT195369B publication Critical patent/AT195369B/de

Links

AT195369D 1954-07-22 1955-07-16 Gesteinsbohrkrone für schlagendes Bohren AT195369B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE195369T 1954-07-22

Publications (1)

Publication Number Publication Date
AT195369B true AT195369B (de) 1958-01-25

Family

ID=29555777

Family Applications (1)

Application Number Title Priority Date Filing Date
AT195369D AT195369B (de) 1954-07-22 1955-07-16 Gesteinsbohrkrone für schlagendes Bohren

Country Status (1)

Country Link
AT (1) AT195369B (de)

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