CA440159A - Apparatus for communication systems - Google Patents

Apparatus for communication systems

Info

Publication number
CA440159A
CA440159A CA440159A CA440159DA CA440159A CA 440159 A CA440159 A CA 440159A CA 440159 A CA440159 A CA 440159A CA 440159D A CA440159D A CA 440159DA CA 440159 A CA440159 A CA 440159A
Authority
CA
Canada
Prior art keywords
communication systems
systems
communication
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
CA440159A
Other languages
French (fr)
Inventor
H. Brown Robert
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Publication date
Application granted granted Critical
Publication of CA440159A publication Critical patent/CA440159A/en
Expired legal-status Critical Current

Links

CA440159A Apparatus for communication systems Expired CA440159A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA440159T

Publications (1)

Publication Number Publication Date
CA440159A true CA440159A (en) 1947-03-11

Family

ID=35555393

Family Applications (1)

Application Number Title Priority Date Filing Date
CA440159A Expired CA440159A (en) Apparatus for communication systems

Country Status (1)

Country Link
CA (1) CA440159A (en)

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