CA475213A - Systemes telegraphiques et telephoniques combines - Google Patents

Systemes telegraphiques et telephoniques combines

Info

Publication number
CA475213A
CA475213A CA475213A CA475213DA CA475213A CA 475213 A CA475213 A CA 475213A CA 475213 A CA475213 A CA 475213A CA 475213D A CA475213D A CA 475213DA CA 475213 A CA475213 A CA 475213A
Authority
CA
Canada
Prior art keywords
telegraph systems
combined telephone
telephone
combined
telegraph
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
CA475213A
Other languages
English (en)
Inventor
M. Potts Louis
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 Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA475213A publication Critical patent/CA475213A/fr
Expired legal-status Critical Current

Links

CA475213A Systemes telegraphiques et telephoniques combines Expired CA475213A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA475213T

Publications (1)

Publication Number Publication Date
CA475213A true CA475213A (fr) 1951-07-10

Family

ID=35609197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA475213A Expired CA475213A (fr) Systemes telegraphiques et telephoniques combines

Country Status (1)

Country Link
CA (1) CA475213A (fr)

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