CA330139A - Systeme de signalisation par ondes - Google Patents

Systeme de signalisation par ondes

Info

Publication number: CA330139A
Authority: CA; Canada
Prior art keywords: signalling system; wave signalling; wave; signalling
Prior art date: 1933-02-14
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

CA330139A

Other languages

English (en)

Inventor

Arthur Steel William

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

1933-02-14

1933-02-14 Application granted granted Critical

1933-02-14 Publication of CA330139A publication Critical patent/CA330139A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA330139A Systeme de signalisation par ondes Expired CA330139A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA330139T

Publications (1)

Publication Number	Publication Date
CA330139A true CA330139A (fr)	1933-02-14

Family

ID=35292508

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA330139A Expired CA330139A (fr)			Systeme de signalisation par ondes

Country Status (1)

Country	Link
CA (1)	CA330139A (fr)

0
- CA CA330139A patent/CA330139A/fr not_active Expired

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