CH3608A - Emery bit for deep drilling - Google Patents

Emery bit for deep drilling

Info

Publication number
CH3608A
CH3608A CH3608A CH3608DA CH3608A CH 3608 A CH3608 A CH 3608A CH 3608 A CH3608 A CH 3608A CH 3608D A CH3608D A CH 3608DA CH 3608 A CH3608 A CH 3608A
Authority
CH
Switzerland
Prior art keywords
emery
bit
deep drilling
drilling
deep
Prior art date
Application number
CH3608A
Other languages
German (de)
Inventor
Olaf Terp
Original Assignee
Olaf Terp
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 Olaf Terp filed Critical Olaf Terp
Publication of CH3608A publication Critical patent/CH3608A/en

Links

CH3608A 1891-06-02 1891-06-02 Emery bit for deep drilling CH3608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3608T 1891-06-02

Publications (1)

Publication Number Publication Date
CH3608A true CH3608A (en) 1891-10-31

Family

ID=4185240

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3608A CH3608A (en) 1891-06-02 1891-06-02 Emery bit for deep drilling

Country Status (1)

Country Link
CH (1) CH3608A (en)

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