CA217218A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA217218A
CA217218A CA217218A CA217218DA CA217218A CA 217218 A CA217218 A CA 217218A CA 217218 A CA217218 A CA 217218A CA 217218D A CA217218D A CA 217218DA CA 217218 A CA217218 A CA 217218A
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
CA217218A
Other languages
English (en)
Inventor
Robert Hendrik Arntzenius Carolus
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 CA217218A publication Critical patent/CA217218A/fr
Expired legal-status Critical Current

Links

CA217218A Systeme telephonique Expired CA217218A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA217218T

Publications (1)

Publication Number Publication Date
CA217218A true CA217218A (fr) 1922-03-28

Family

ID=35111662

Family Applications (1)

Application Number Title Priority Date Filing Date
CA217218A Expired CA217218A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA217218A (fr)

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