CH57711A - Compressed air impact drill for rock drilling - Google Patents

Compressed air impact drill for rock drilling

Info

Publication number
CH57711A
CH57711A CH57711A CH57711DA CH57711A CH 57711 A CH57711 A CH 57711A CH 57711 A CH57711 A CH 57711A CH 57711D A CH57711D A CH 57711DA CH 57711 A CH57711 A CH 57711A
Authority
CH
Switzerland
Prior art keywords
compressed air
rock drilling
impact drill
air impact
drill
Prior art date
Application number
CH57711A
Other languages
German (de)
Inventor
Ernst Graber
Karl Laiendecker
Original Assignee
Ernst Graber
Karl Laiendecker
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 Ernst Graber, Karl Laiendecker filed Critical Ernst Graber
Publication of CH57711A publication Critical patent/CH57711A/en

Links

CH57711A 1911-11-25 1911-11-25 Compressed air impact drill for rock drilling CH57711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH57711T 1911-11-25

Publications (1)

Publication Number Publication Date
CH57711A true CH57711A (en) 1913-02-01

Family

ID=4299053

Family Applications (1)

Application Number Title Priority Date Filing Date
CH57711A CH57711A (en) 1911-11-25 1911-11-25 Compressed air impact drill for rock drilling

Country Status (1)

Country Link
CH (1) CH57711A (en)

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