CH3516A - Electric warning system for railways - Google Patents

Electric warning system for railways

Info

Publication number
CH3516A
CH3516A CH3516A CH3516DA CH3516A CH 3516 A CH3516 A CH 3516A CH 3516 A CH3516 A CH 3516A CH 3516D A CH3516D A CH 3516DA CH 3516 A CH3516 A CH 3516A
Authority
CH
Switzerland
Prior art keywords
railways
warning system
electric warning
electric
warning
Prior art date
Application number
CH3516A
Other languages
French (fr)
Inventor
Edwin-David Graff
Original Assignee
Graff Edwin David
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 Graff Edwin David filed Critical Graff Edwin David
Publication of CH3516A publication Critical patent/CH3516A/en

Links

CH3516A 1891-03-24 1891-03-24 Electric warning system for railways CH3516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3516T 1891-03-24

Publications (1)

Publication Number Publication Date
CH3516A true CH3516A (en) 1891-10-15

Family

ID=4185032

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3516A CH3516A (en) 1891-03-24 1891-03-24 Electric warning system for railways

Country Status (1)

Country Link
CH (1) CH3516A (en)

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