CH77138A - Bohrkopf - Google Patents

Bohrkopf

Info

Publication number
CH77138A
CH77138A CH77138A CH77138DA CH77138A CH 77138 A CH77138 A CH 77138A CH 77138 A CH77138 A CH 77138A CH 77138D A CH77138D A CH 77138DA CH 77138 A CH77138 A CH 77138A
Authority
CH
Switzerland
Prior art keywords
drill head
drill
head
Prior art date
Application number
CH77138A
Other languages
English (en)
Inventor
Felix Bauer
Original Assignee
Felix Bauer
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 Felix Bauer filed Critical Felix Bauer
Publication of CH77138A publication Critical patent/CH77138A/de

Links

CH77138A 1917-07-31 1917-07-31 Bohrkopf CH77138A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH77138T 1917-07-31

Publications (1)

Publication Number Publication Date
CH77138A true CH77138A (de) 1918-03-01

Family

ID=4329348

Family Applications (1)

Application Number Title Priority Date Filing Date
CH77138A CH77138A (de) 1917-07-31 1917-07-31 Bohrkopf

Country Status (1)

Country Link
CH (1) CH77138A (de)

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