CA195947A - Systeme telephonique de trains - Google Patents

Systeme telephonique de trains

Info

Publication number
CA195947A
CA195947A CA195947A CA195947DA CA195947A CA 195947 A CA195947 A CA 195947A CA 195947 A CA195947 A CA 195947A CA 195947D A CA195947D A CA 195947DA CA 195947 A CA195947 A CA 195947A
Authority
CA
Canada
Prior art keywords
telephone system
train telephone
train
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
CA195947A
Other languages
English (en)
Inventor
M. Mcilhany John
K. Kitts Ernest
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 CA195947A publication Critical patent/CA195947A/fr
Expired legal-status Critical Current

Links

CA195947A Systeme telephonique de trains Expired CA195947A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA195947T

Publications (1)

Publication Number Publication Date
CA195947A true CA195947A (fr) 1920-01-13

Family

ID=35065255

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195947A Expired CA195947A (fr) Systeme telephonique de trains

Country Status (1)

Country Link
CA (1) CA195947A (fr)

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