CA372292A - Systeme telephonique interieur et exterieur - Google Patents

Systeme telephonique interieur et exterieur

Info

Publication number
CA372292A
CA372292A CA372292A CA372292DA CA372292A CA 372292 A CA372292 A CA 372292A CA 372292 A CA372292 A CA 372292A CA 372292D A CA372292D A CA 372292DA CA 372292 A CA372292 A CA 372292A
Authority
CA
Canada
Prior art keywords
inter
telephone system
outer telephone
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
CA372292A
Other languages
English (en)
Inventor
Varley Richard
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.)
HARRY A RICHARDS
INTER-OUTER TELEPHONE Corp
Original Assignee
HARRY A RICHARDS
INTER-OUTER TELEPHONE Corp
Publication date
Application granted granted Critical
Publication of CA372292A publication Critical patent/CA372292A/fr
Expired legal-status Critical Current

Links

CA372292A Systeme telephonique interieur et exterieur Expired CA372292A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA372292T

Publications (1)

Publication Number Publication Date
CA372292A true CA372292A (fr) 1938-03-08

Family

ID=35373357

Family Applications (1)

Application Number Title Priority Date Filing Date
CA372292A Expired CA372292A (fr) Systeme telephonique interieur et exterieur

Country Status (1)

Country Link
CA (1) CA372292A (fr)

Similar Documents

Publication Publication Date Title
US2254113A (en) Telephone system
CA372292A (fr) Systeme telephonique interieur et exterieur
CA371100A (fr) Reseau telephonique
CA371257A (fr) Systeme telephonique
CA371481A (fr) Systeme telephonique
CA371520A (fr) Systeme telephonique
CA371524A (fr) Reseau telephonique
CA371833A (fr) Reseau telephonique
CA372056A (fr) Systeme telephonique
CA372070A (fr) Systeme telephonique
CA372271A (fr) Systeme telephonique
CA373167A (fr) Systeme telephonique
CA373403A (fr) Systeme telephonique
CA373986A (fr) Systeme telephonique
CA374237A (fr) Systeme telephonique
CA374583A (fr) Systeme telephonique
CA374817A (fr) Systeme telephonique
CA374837A (fr) Systeme telephonique
CA374887A (fr) Systeme telephonique
CA375387A (fr) Systeme telephonique
CA375657A (fr) Systeme telephonique
CA375658A (fr) Systeme telephonique
CA375976A (fr) Systeme telephonique
CA377279A (fr) Systeme telephonique
CA377280A (fr) Systeme telephonique