CA143789A - Dispositif de controle de langue d'aiguille - Google Patents

Dispositif de controle de langue d'aiguille

Info

Publication number
CA143789A
CA143789A CA000143789A CA143789DA CA143789A CA 143789 A CA143789 A CA 143789A CA 000143789 A CA000143789 A CA 000143789A CA 143789D A CA143789D A CA 143789DA CA 143789 A CA143789 A CA 143789A
Authority
CA
Canada
Prior art keywords
controlling device
switch point
point controlling
switch
point
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
CA000143789A
Other languages
English (en)
Inventor
Walter Thorsteinson
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA143789A publication Critical patent/CA143789A/fr
Expired legal-status Critical Current

Links

CA000143789A 1912-09-12 1912-09-12 Dispositif de controle de langue d'aiguille Expired CA143789A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA143789T 1912-09-12

Publications (1)

Publication Number Publication Date
CA143789A true CA143789A (fr) 1912-10-29

Family

ID=45263504

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000143789A Expired CA143789A (fr) 1912-09-12 1912-09-12 Dispositif de controle de langue d'aiguille

Country Status (1)

Country Link
CA (1) CA143789A (fr)

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