DK18553C - Expandable Drill Head. - Google Patents

Expandable Drill Head.

Info

Publication number
DK18553C
DK18553C DK18553DA DK18553C DK 18553 C DK18553 C DK 18553C DK 18553D A DK18553D A DK 18553DA DK 18553 C DK18553 C DK 18553C
Authority
DK
Denmark
Prior art keywords
drill head
expandable drill
expandable
head
drill
Prior art date
Application number
Other languages
Danish (da)
Inventor
John William Bradley
Original Assignee
John William Bradley
Publication date
Application granted granted Critical
Publication of DK18553C publication Critical patent/DK18553C/en

Links

DK18553D Expandable Drill Head. DK18553C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK18553T

Publications (1)

Publication Number Publication Date
DK18553C true DK18553C (en) 1914-03-09

Family

ID=27834160

Family Applications (1)

Application Number Title Priority Date Filing Date
DK18553D DK18553C (en) Expandable Drill Head.

Country Status (1)

Country Link
DK (1) DK18553C (en)

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