CA179852A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA179852A
CA179852A CA000179852A CA179852DA CA179852A CA 179852 A CA179852 A CA 179852A CA 000179852 A CA000179852 A CA 000179852A CA 179852D A CA179852D A CA 179852DA CA 179852 A CA179852 A CA 179852A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA000179852A
Other languages
English (en)
Inventor
William Aitken
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.)
RELAY TELEGRAPH COMPANY Ltd
Original Assignee
RELAY TELEGRAPH COMPANY Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RELAY TELEGRAPH COMPANY Ltd filed Critical RELAY TELEGRAPH COMPANY Ltd
Application granted granted Critical
Publication of CA179852A publication Critical patent/CA179852A/fr
Expired legal-status Critical Current

Links

CA000179852A 1917-08-10 1917-08-10 Systeme telephonique Expired CA179852A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA179852T 1917-08-10

Publications (1)

Publication Number Publication Date
CA179852A true CA179852A (fr) 1917-10-16

Family

ID=45299505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000179852A Expired CA179852A (fr) 1917-08-10 1917-08-10 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA179852A (fr)

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