CA197154A - Mecanisme de semaphore - Google Patents

Mecanisme de semaphore

Info

Publication number
CA197154A
CA197154A CA197154A CA197154DA CA197154A CA 197154 A CA197154 A CA 197154A CA 197154 A CA197154 A CA 197154A CA 197154D A CA197154D A CA 197154DA CA 197154 A CA197154 A CA 197154A
Authority
CA
Canada
Prior art keywords
semaphore mechanism
semaphore
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
CA197154A
Other languages
English (en)
Inventor
C. Lindner John
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA197154A publication Critical patent/CA197154A/fr
Expired legal-status Critical Current

Links

CA197154A Mecanisme de semaphore Expired CA197154A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA197154T

Publications (1)

Publication Number Publication Date
CA197154A true CA197154A (fr) 1920-02-10

Family

ID=35071592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197154A Expired CA197154A (fr) Mecanisme de semaphore

Country Status (1)

Country Link
CA (1) CA197154A (fr)

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