CA498132A - Automatic switches of the kind used in telephone systems - Google Patents

Automatic switches of the kind used in telephone systems

Info

Publication number
CA498132A
CA498132A CA498132A CA498132DA CA498132A CA 498132 A CA498132 A CA 498132A CA 498132 A CA498132 A CA 498132A CA 498132D A CA498132D A CA 498132DA CA 498132 A CA498132 A CA 498132A
Authority
CA
Canada
Prior art keywords
telephone systems
kind used
automatic switches
switches
automatic
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
CA498132A
Other languages
French (fr)
Inventor
A. Christian 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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA498132A publication Critical patent/CA498132A/en
Expired legal-status Critical Current

Links

CA498132A Automatic switches of the kind used in telephone systems Expired CA498132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA498132T

Publications (1)

Publication Number Publication Date
CA498132A true CA498132A (en) 1953-12-01

Family

ID=35643567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA498132A Expired CA498132A (en) Automatic switches of the kind used in telephone systems

Country Status (1)

Country Link
CA (1) CA498132A (en)

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