CH3608A - Emery bit for deep drilling - Google Patents

Emery bit for deep drilling

Info

Publication number: CH3608A
Authority: CH; Switzerland
Prior art keywords: emery; bit; deep drilling; drilling; deep
Prior art date: 1891-06-02

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.)

1891-06-02

Filing date

1891-06-02

Publication date

1891-10-31

1891-06-02 Application filed by Olaf Terp filed Critical Olaf Terp

1891-10-31 Publication of CH3608A publication Critical patent/CH3608A/en

Links

238000005553 drilling Methods 0.000 title 1
229910001651 emery Inorganic materials 0.000 title 1

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)

1891
- 1891-06-02 CH CH3608A patent/CH3608A/en unknown

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