DK22975C - Tunnel drilling machine. - Google Patents

Tunnel drilling machine.

Info

Publication number
DK22975C
DK22975C DK22975DA DK22975C DK 22975 C DK22975 C DK 22975C DK 22975D A DK22975D A DK 22975DA DK 22975 C DK22975 C DK 22975C
Authority
DK
Denmark
Prior art keywords
drilling machine
tunnel drilling
tunnel
machine
drilling
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Rock Tunneling Machine Co
Publication date
Application granted granted Critical
Publication of DK22975C publication Critical patent/DK22975C/en

Links

DK22975D Tunnel drilling machine. DK22975C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK22975T

Publications (1)

Publication Number Publication Date
DK22975C true DK22975C (en) 1918-04-02

Family

ID=27837535

Family Applications (1)

Application Number Title Priority Date Filing Date
DK22975D DK22975C (en) Tunnel drilling machine.

Country Status (1)

Country Link
DK (1) DK22975C (en)

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