CA495231A - Systeme de telephone automatique - Google Patents

Systeme de telephone automatique

Info

Publication number
CA495231A
CA495231A CA495231DA CA495231A CA 495231 A CA495231 A CA 495231A CA 495231D A CA495231D A CA 495231DA CA 495231 A CA495231 A CA 495231A
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
Other languages
English (en)
Inventor
M. Blackhall James
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.)
LEICH ELECTRIC Co
Original Assignee
LEICH ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA495231A publication Critical patent/CA495231A/fr
Expired legal-status Critical Current

Links

CA495231D Systeme de telephone automatique Expired CA495231A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA495231T

Publications (1)

Publication Number Publication Date
CA495231A true CA495231A (fr) 1953-08-11

Family

ID=35640637

Family Applications (1)

Application Number Title Priority Date Filing Date
CA495231D Expired CA495231A (fr) Systeme de telephone automatique

Country Status (1)

Country Link
CA (1) CA495231A (fr)

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