CH31632A - Drill head - Google Patents

Drill head

Info

Publication number
CH31632A
CH31632A CH31632A CH31632DA CH31632A CH 31632 A CH31632 A CH 31632A CH 31632 A CH31632 A CH 31632A CH 31632D A CH31632D A CH 31632DA CH 31632 A CH31632 A CH 31632A
Authority
CH
Switzerland
Prior art keywords
drill head
drill
head
Prior art date
Application number
CH31632A
Other languages
German (de)
Inventor
Rudolf Siegrist
Original Assignee
Rudolf Siegrist
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 Rudolf Siegrist filed Critical Rudolf Siegrist
Publication of CH31632A publication Critical patent/CH31632A/en

Links

CH31632A 1904-09-29 1904-09-29 Drill head CH31632A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH31632T 1904-09-29

Publications (1)

Publication Number Publication Date
CH31632A true CH31632A (en) 1905-04-30

Family

ID=4249967

Family Applications (1)

Application Number Title Priority Date Filing Date
CH31632A CH31632A (en) 1904-09-29 1904-09-29 Drill head

Country Status (1)

Country Link
CH (1) CH31632A (en)

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