AT87356B - Process for the production of twist drills with a welded cutting plate made of high quality steel. - Google Patents

Process for the production of twist drills with a welded cutting plate made of high quality steel.

Info

Publication number
AT87356B
AT87356B AT87356DA AT87356B AT 87356 B AT87356 B AT 87356B AT 87356D A AT87356D A AT 87356DA AT 87356 B AT87356 B AT 87356B
Authority
AT
Austria
Prior art keywords
production
high quality
plate made
cutting plate
quality steel
Prior art date
Application number
Other languages
German (de)
Inventor
Karl Jaick
Original Assignee
Karl Jaick
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 Karl Jaick filed Critical Karl Jaick
Application granted granted Critical
Publication of AT87356B publication Critical patent/AT87356B/en

Links

AT87356D 1919-01-22 1921-03-21 Process for the production of twist drills with a welded cutting plate made of high quality steel. AT87356B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE87356X 1919-01-22

Publications (1)

Publication Number Publication Date
AT87356B true AT87356B (en) 1922-02-25

Family

ID=5641685

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87356D AT87356B (en) 1919-01-22 1921-03-21 Process for the production of twist drills with a welded cutting plate made of high quality steel.

Country Status (1)

Country Link
AT (1) AT87356B (en)

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