CA456451A - Systeme de telephone automatique - Google Patents

Systeme de telephone automatique

Info

Publication number
CA456451A
CA456451A CA456451A CA456451DA CA456451A CA 456451 A CA456451 A CA 456451A CA 456451 A CA456451 A CA 456451A CA 456451D A CA456451D A CA 456451DA CA 456451 A CA456451 A CA 456451A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
automatic
telephone
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
CA456451A
Other languages
English (en)
Inventor
Adam Christian David
Anthony Hensler Bernard
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA456451A publication Critical patent/CA456451A/fr
Expired legal-status Critical Current

Links

CA456451A Systeme de telephone automatique Expired CA456451A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA456451T

Publications (1)

Publication Number Publication Date
CA456451A true CA456451A (fr) 1949-05-03

Family

ID=35574191

Family Applications (1)

Application Number Title Priority Date Filing Date
CA456451A Expired CA456451A (fr) Systeme de telephone automatique

Country Status (1)

Country Link
CA (1) CA456451A (fr)

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