CA50431A - Systeme de telephone - Google Patents

Systeme de telephone

Info

Publication number
CA50431A
CA50431A CA000050431A CA50431DA CA50431A CA 50431 A CA50431 A CA 50431A CA 000050431 A CA000050431 A CA 000050431A CA 50431D A CA50431D A CA 50431DA CA 50431 A CA50431 A CA 50431A
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
CA000050431A
Other languages
English (en)
Inventor
Alfred Charles Brown
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 CA50431A publication Critical patent/CA50431A/fr
Expired legal-status Critical Current

Links

CA000050431A Systeme de telephone Expired CA50431A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA50431T

Publications (1)

Publication Number Publication Date
CA50431A true CA50431A (fr) 1895-11-02

Family

ID=45166970

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000050431A Expired CA50431A (fr) Systeme de telephone

Country Status (1)

Country Link
CA (1) CA50431A (fr)

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