FR546355A - Piano keys hardener - Google Patents

Piano keys hardener

Info

Publication number
FR546355A
FR546355A FR546355DA FR546355A FR 546355 A FR546355 A FR 546355A FR 546355D A FR546355D A FR 546355DA FR 546355 A FR546355 A FR 546355A
Authority
FR
France
Prior art keywords
hardener
piano keys
piano
keys
keys hardener
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
Other languages
French (fr)
Inventor
Gustave-Louis Rogez
Edmond-Desire Crespin
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 filed Critical
Application granted granted Critical
Publication of FR546355A publication Critical patent/FR546355A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C9/00—Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR546355D 1922-01-25 1922-01-25 Piano keys hardener Expired FR546355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR546355T 1922-01-25

Publications (1)

Publication Number Publication Date
FR546355A true FR546355A (en) 1922-11-08

Family

ID=8933497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR546355D Expired FR546355A (en) 1922-01-25 1922-01-25 Piano keys hardener

Country Status (1)

Country Link
FR (1) FR546355A (en)

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