CA176416A - Mecanisme a changement de ton pour pianos - Google Patents

Mecanisme a changement de ton pour pianos

Info

Publication number
CA176416A
CA176416A CA000176416A CA176416DA CA176416A CA 176416 A CA176416 A CA 176416A CA 000176416 A CA000176416 A CA 000176416A CA 176416D A CA176416D A CA 176416DA CA 176416 A CA176416 A CA 176416A
Authority
CA
Canada
Prior art keywords
musical instruments
selective mechanism
selective
musical
instruments
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
CA000176416A
Other languages
English (en)
Inventor
Ricard S. Irving
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA176416A publication Critical patent/CA176416A/fr
Expired legal-status Critical Current

Links

CA000176416A 1917-02-02 1917-02-02 Mecanisme a changement de ton pour pianos Expired CA176416A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA176416T 1917-02-02

Publications (1)

Publication Number Publication Date
CA176416A true CA176416A (fr) 1917-04-17

Family

ID=45296069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000176416A Expired CA176416A (fr) 1917-02-02 1917-02-02 Mecanisme a changement de ton pour pianos

Country Status (1)

Country Link
CA (1) CA176416A (fr)

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