CA450525A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA450525A
CA450525A CA450525A CA450525DA CA450525A CA 450525 A CA450525 A CA 450525A CA 450525 A CA450525 A CA 450525A CA 450525D A CA450525D A CA 450525DA CA 450525 A CA450525 A CA 450525A
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
CA450525A
Other languages
French (fr)
Inventor
Taylor Reginald
Thomas Baker George
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA450525A publication Critical patent/CA450525A/en
Expired legal-status Critical Current

Links

CA450525A Telephone system Expired CA450525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA450525T

Publications (1)

Publication Number Publication Date
CA450525A true CA450525A (en) 1948-08-17

Family

ID=35568244

Family Applications (1)

Application Number Title Priority Date Filing Date
CA450525A Expired CA450525A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA450525A (en)

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