CA53574A - Echange automatique de telephone - Google Patents

Echange automatique de telephone

Info

Publication number
CA53574A
CA53574A CA000053574A CA53574DA CA53574A CA 53574 A CA53574 A CA 53574A CA 000053574 A CA000053574 A CA 000053574A CA 53574D A CA53574D A CA 53574DA CA 53574 A CA53574 A CA 53574A
Authority
CA
Canada
Prior art keywords
telephone exchange
automatic telephone
automatic
exchange
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
CA000053574A
Other languages
English (en)
Inventor
Solomon Berditschewsky
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA53574A publication Critical patent/CA53574A/fr
Expired legal-status Critical Current

Links

CA000053574A 1896-03-23 1896-03-23 Echange automatique de telephone Expired CA53574A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA53574T 1896-03-23

Publications (1)

Publication Number Publication Date
CA53574A true CA53574A (fr) 1896-09-25

Family

ID=45170113

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000053574A Expired CA53574A (fr) 1896-03-23 1896-03-23 Echange automatique de telephone

Country Status (1)

Country Link
CA (1) CA53574A (fr)

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