DK25042C - Double-acting drill bit. - Google Patents

Double-acting drill bit.

Info

Publication number
DK25042C
DK25042C DK25042DA DK25042C DK 25042 C DK25042 C DK 25042C DK 25042D A DK25042D A DK 25042DA DK 25042 C DK25042 C DK 25042C
Authority
DK
Denmark
Prior art keywords
double
drill bit
acting drill
acting
bit
Prior art date
Application number
Other languages
Danish (da)
Inventor
Tage Edvard Blum
Original Assignee
Tage Edvard Blum
Publication date
Application granted granted Critical
Publication of DK25042C publication Critical patent/DK25042C/en

Links

DK25042D Double-acting drill bit. DK25042C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK25042T

Publications (1)

Publication Number Publication Date
DK25042C true DK25042C (en) 1919-09-22

Family

ID=33040628

Family Applications (1)

Application Number Title Priority Date Filing Date
DK25042D DK25042C (en) Double-acting drill bit.

Country Status (1)

Country Link
DK (1) DK25042C (en)

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