CA21593A - Commutateur automatique pour telephones - Google Patents

Commutateur automatique pour telephones

Info

Publication number
CA21593A
CA21593A CA000021593A CA21593DA CA21593A CA 21593 A CA21593 A CA 21593A CA 000021593 A CA000021593 A CA 000021593A CA 21593D A CA21593D A CA 21593DA CA 21593 A CA21593 A CA 21593A
Authority
CA
Canada
Prior art keywords
telephone lines
automatic shunt
shunt
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
CA000021593A
Other languages
English (en)
Inventor
Charles A. Fisher
Charles D. Wright
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.)
LUTRINGER GEORGE F
Original Assignee
LUTRINGER GEORGE F
Publication date
Application granted granted Critical
Publication of CA21593A publication Critical patent/CA21593A/fr
Expired legal-status Critical Current

Links

CA000021593A Commutateur automatique pour telephones Expired CA21593A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA21593T

Publications (1)

Publication Number Publication Date
CA21593A true CA21593A (fr) 1885-05-05

Family

ID=45138136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000021593A Expired CA21593A (fr) Commutateur automatique pour telephones

Country Status (1)

Country Link
CA (1) CA21593A (fr)

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