CA447861A - Appareil de communication - Google Patents

Appareil de communication

Info

Publication number: CA447861A
Authority: CA; Canada
Prior art keywords: communication apparatus; communication
Prior art date: 1948-04-13
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

CA447861A

Other languages

English (en)

Inventor

K. Crooks Ralph

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

1948-04-13

1948-04-13 Application granted granted Critical

1948-04-13 Publication of CA447861A publication Critical patent/CA447861A/fr

Status Expired legal-status Critical Current

Links

CA447861A Appareil de communication Expired CA447861A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA447861T

Publications (1)

Publication Number	Publication Date
CA447861A true CA447861A (fr)	1948-04-13

Family

ID=35565547

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA447861A Expired CA447861A (fr)			Appareil de communication

Country Status (1)

Country	Link
CA (1)	CA447861A (fr)

0
- CA CA447861A patent/CA447861A/fr not_active Expired

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