DK14903C - Sound signaling device for Railways. - Google Patents

Sound signaling device for Railways.

Info

Publication number
DK14903C
DK14903C DK14903DA DK14903C DK 14903 C DK14903 C DK 14903C DK 14903D A DK14903D A DK 14903DA DK 14903 C DK14903 C DK 14903C
Authority
DK
Denmark
Prior art keywords
railways
signaling device
sound signaling
sound
signaling
Prior art date
Application number
Other languages
Danish (da)
Inventor
Hermann Grupe
Original Assignee
Hermann Grupe
Publication date
Application granted granted Critical
Publication of DK14903C publication Critical patent/DK14903C/en

Links

DK14903D Sound signaling device for Railways. DK14903C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK14903T

Publications (1)

Publication Number Publication Date
DK14903C true DK14903C (en) 1911-08-07

Family

ID=27830709

Family Applications (1)

Application Number Title Priority Date Filing Date
DK14903D DK14903C (en) Sound signaling device for Railways.

Country Status (1)

Country Link
DK (1) DK14903C (en)

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