CH21418A - Acoustic repeating warning device for railway lines - Google Patents

Acoustic repeating warning device for railway lines

Info

Publication number
CH21418A
CH21418A CH21418A CH21418DA CH21418A CH 21418 A CH21418 A CH 21418A CH 21418 A CH21418 A CH 21418A CH 21418D A CH21418D A CH 21418DA CH 21418 A CH21418 A CH 21418A
Authority
CH
Switzerland
Prior art keywords
acoustic
warning device
railway lines
repeating
repeating warning
Prior art date
Application number
CH21418A
Other languages
French (fr)
Inventor
Andre Cousin Henri Ernest
Hippolyte Rochatte Louis Jules
Original Assignee
Andre Cousin Henri Ernest
Hippolyte Rochatte Louis Jules
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 Andre Cousin Henri Ernest, Hippolyte Rochatte Louis Jules filed Critical Andre Cousin Henri Ernest
Publication of CH21418A publication Critical patent/CH21418A/en

Links

CH21418A 1900-04-23 1900-04-23 Acoustic repeating warning device for railway lines CH21418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH21418T 1900-04-23

Publications (1)

Publication Number Publication Date
CH21418A true CH21418A (en) 1901-07-15

Family

ID=4226827

Family Applications (1)

Application Number Title Priority Date Filing Date
CH21418A CH21418A (en) 1900-04-23 1900-04-23 Acoustic repeating warning device for railway lines

Country Status (1)

Country Link
CH (1) CH21418A (en)

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