BE586689A - Multifrequent seinstelsel. - Google Patents

Multifrequent seinstelsel.

Info

Publication number
BE586689A
BE586689A BE586689A BE586689A BE586689A BE 586689 A BE586689 A BE 586689A BE 586689 A BE586689 A BE 586689A BE 586689 A BE586689 A BE 586689A BE 586689 A BE586689 A BE 586689A
Authority
BE
Belgium
Prior art keywords
signaling system
frequency signaling
frequency
signaling
Prior art date
Application number
BE586689A
Other languages
English (en)
Inventor
J Martens
Original Assignee
Bell Telephone Mfg Company N V
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 Bell Telephone Mfg Company N V filed Critical Bell Telephone Mfg Company N V
Publication of BE586689A publication Critical patent/BE586689A/nl

Links

BE586689A 1959-01-19 1960-01-19 Multifrequent seinstelsel. BE586689A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL235237 1959-01-19

Publications (1)

Publication Number Publication Date
BE586689A true BE586689A (nl) 1960-07-19

Family

ID=39576973

Family Applications (1)

Application Number Title Priority Date Filing Date
BE586689A BE586689A (nl) 1959-01-19 1960-01-19 Multifrequent seinstelsel.

Country Status (1)

Country Link
BE (1) BE586689A (nl)

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