CA210052A - Indicateur des notes de piano automatique - Google Patents

Indicateur des notes de piano automatique

Info

Publication number: CA210052A
Authority: CA; Canada
Prior art keywords: player pianos; note indicator; indicator; note; pianos
Prior art date: 1921-04-05
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

CA210052A

Other languages

English (en)

Inventor

Wesley Buil Frank

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

1921-04-05

1921-04-05 Application granted granted Critical

1921-04-05 Publication of CA210052A publication Critical patent/CA210052A/fr

Status Expired legal-status Critical Current

Links

CA210052A Indicateur des notes de piano automatique Expired CA210052A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA210052T

Publications (1)

Publication Number	Publication Date
CA210052A true CA210052A (fr)	1921-04-05

Family

ID=35103831

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA210052A Expired CA210052A (fr)			Indicateur des notes de piano automatique

Country Status (1)

Country	Link
CA (1)	CA210052A (fr)

0
- CA CA210052A patent/CA210052A/fr not_active Expired

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