CH59815A - Outil de forage - Google Patents

Outil de forage

Info

Publication number
CH59815A
CH59815A CH59815A CH59815DA CH59815A CH 59815 A CH59815 A CH 59815A CH 59815 A CH59815 A CH 59815A CH 59815D A CH59815D A CH 59815DA CH 59815 A CH59815 A CH 59815A
Authority
CH
Switzerland
Prior art keywords
drilling tool
drilling
tool
Prior art date
Application number
CH59815A
Other languages
English (en)
Inventor
Alexander Rotinoff
Original Assignee
Alexander Rotinoff
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 Alexander Rotinoff filed Critical Alexander Rotinoff
Publication of CH59815A publication Critical patent/CH59815A/fr

Links

CH59815A 1912-01-16 1912-01-16 Outil de forage CH59815A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH59815T 1912-01-16

Publications (1)

Publication Number Publication Date
CH59815A true CH59815A (fr) 1913-06-02

Family

ID=4302442

Family Applications (1)

Application Number Title Priority Date Filing Date
CH59815A CH59815A (fr) 1912-01-16 1912-01-16 Outil de forage

Country Status (1)

Country Link
CH (1) CH59815A (fr)

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