CA472699A - Dispositifs de blocage - Google Patents

Dispositifs de blocage

Info

Publication number
CA472699A
CA472699A CA472699A CA472699DA CA472699A CA 472699 A CA472699 A CA 472699A CA 472699 A CA472699 A CA 472699A CA 472699D A CA472699D A CA 472699DA CA 472699 A CA472699 A CA 472699A
Authority
CA
Canada
Prior art keywords
locking devices
locking
devices
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
CA472699A
Other languages
English (en)
Inventor
J. J. Mcgowan Kenneth
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 CA472699A publication Critical patent/CA472699A/fr
Expired legal-status Critical Current

Links

CA472699A Dispositifs de blocage Expired CA472699A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA472699T

Publications (1)

Publication Number Publication Date
CA472699A true CA472699A (fr) 1951-04-03

Family

ID=35606660

Family Applications (1)

Application Number Title Priority Date Filing Date
CA472699A Expired CA472699A (fr) Dispositifs de blocage

Country Status (1)

Country Link
CA (1) CA472699A (fr)

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