CA303704A - Distance signalling device - Google Patents

Distance signalling device

Info

Publication number
CA303704A
CA303704A CA303704A CA303704DA CA303704A CA 303704 A CA303704 A CA 303704A CA 303704 A CA303704 A CA 303704A CA 303704D A CA303704D A CA 303704DA CA 303704 A CA303704 A CA 303704A
Authority
CA
Canada
Prior art keywords
signalling device
distance
distance signalling
signalling
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
CA303704A
Other languages
French (fr)
Inventor
Prashker Jehuda
Aftergut Max
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 CA303704A publication Critical patent/CA303704A/en
Expired legal-status Critical Current

Links

CA303704A Distance signalling device Expired CA303704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA303704T

Publications (1)

Publication Number Publication Date
CA303704A true CA303704A (en) 1930-09-09

Family

ID=35256850

Family Applications (1)

Application Number Title Priority Date Filing Date
CA303704A Expired CA303704A (en) Distance signalling device

Country Status (1)

Country Link
CA (1) CA303704A (en)

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