RU1769231C - Piano keyboard - Google Patents

Piano keyboard

Info

Publication number
RU1769231C
RU1769231C SU894721897A SU4721897A RU1769231C RU 1769231 C RU1769231 C RU 1769231C SU 894721897 A SU894721897 A SU 894721897A SU 4721897 A SU4721897 A SU 4721897A RU 1769231 C RU1769231 C RU 1769231C
Authority
RU
Russia
Prior art keywords
piano keyboard
piano
keyboard
Prior art date
Application number
SU894721897A
Other languages
Russian (ru)
Inventor
Gurij P Nearonov
Original Assignee
Gurij P Nearonov
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 Gurij P Nearonov filed Critical Gurij P Nearonov
Priority to SU894721897A priority Critical patent/RU1769231C/en
Application granted granted Critical
Publication of RU1769231C publication Critical patent/RU1769231C/en

Links

SU894721897A 1989-06-20 1989-06-20 Piano keyboard RU1769231C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU894721897A RU1769231C (en) 1989-06-20 1989-06-20 Piano keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU894721897A RU1769231C (en) 1989-06-20 1989-06-20 Piano keyboard

Publications (1)

Publication Number Publication Date
RU1769231C true RU1769231C (en) 1992-10-15

Family

ID=21462329

Family Applications (1)

Application Number Title Priority Date Filing Date
SU894721897A RU1769231C (en) 1989-06-20 1989-06-20 Piano keyboard

Country Status (1)

Country Link
RU (1) RU1769231C (en)

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