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CA441188A - Secret signalling system - Google Patents

Secret signalling system

Info

Publication number
CA441188A
CA441188A CA441188A CA441188DA CA441188A CA 441188 A CA441188 A CA 441188A CA 441188 A CA441188 A CA 441188A CA 441188D A CA441188D A CA 441188DA CA 441188 A CA441188 A CA 441188A
Authority
CA
Canada
Prior art keywords
signalling system
secret signalling
secret
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
CA441188A
Other languages
French (fr)
Inventor
D. Cook Ellsworth
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA441188A publication Critical patent/CA441188A/en
Expired legal-status Critical Current

Links

CA441188A Secret signalling system Expired CA441188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA441188T

Publications (1)

Publication Number Publication Date
CA441188A true CA441188A (en) 1947-05-06

Family

ID=35556420

Family Applications (1)

Application Number Title Priority Date Filing Date
CA441188A Expired CA441188A (en) Secret signalling system

Country Status (1)

Country Link
CA (1) CA441188A (en)

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