CA200148A - Systeme de telephones automatiques - Google Patents

Systeme de telephones automatiques

Info

Publication number
CA200148A
CA200148A CA200148A CA200148DA CA200148A CA 200148 A CA200148 A CA 200148A CA 200148 A CA200148 A CA 200148A CA 200148D A CA200148D A CA 200148DA CA 200148 A CA200148 A CA 200148A
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
CA200148A
Other languages
English (en)
Inventor
Sherril Hulfish David
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
Publication date
Application granted granted Critical
Publication of CA200148A publication Critical patent/CA200148A/fr
Expired legal-status Critical Current

Links

CA200148A Systeme de telephones automatiques Expired CA200148A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA200148T

Publications (1)

Publication Number Publication Date
CA200148A true CA200148A (fr) 1920-05-18

Family

ID=35074585

Family Applications (1)

Application Number Title Priority Date Filing Date
CA200148A Expired CA200148A (fr) Systeme de telephones automatiques

Country Status (1)

Country Link
CA (1) CA200148A (fr)

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