CA406279A - Systeme d'annonce de l'heure - Google Patents

Systeme d'annonce de l'heure

Info

Publication number
CA406279A
CA406279A CA406279A CA406279DA CA406279A CA 406279 A CA406279 A CA 406279A CA 406279 A CA406279 A CA 406279A CA 406279D A CA406279D A CA 406279DA CA 406279 A CA406279 A CA 406279A
Authority
CA
Canada
Prior art keywords
time
announcing system
day
day announcing
announcing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA406279A
Other languages
English (en)
Inventor
Baumfalk John
Bennett William
Lawrence Wright Paul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA406279A publication Critical patent/CA406279A/fr
Expired legal-status Critical Current

Links

CA406279A Systeme d'annonce de l'heure Expired CA406279A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA406279T

Publications (1)

Publication Number Publication Date
CA406279A true CA406279A (fr) 1942-07-21

Family

ID=35417579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA406279A Expired CA406279A (fr) Systeme d'annonce de l'heure

Country Status (1)

Country Link
CA (1) CA406279A (fr)

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