JPH0467692U - - Google Patents

Info

Publication number

JPH0467692U

JPH0467692U JP11134590U JP11134590U JPH0467692U JP H0467692 U JPH0467692 U JP H0467692U JP 11134590 U JP11134590 U JP 11134590U JP 11134590 U JP11134590 U JP 11134590U JP H0467692 U JPH0467692 U JP H0467692U

Authority

JP

Japan

Prior art keywords

keyboard instrument

height adjustment

key

adjustment member

balance punching

Prior art date

1990-10-24

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000004080 punching Methods 0.000 claims description 5
• 238000004519 manufacturing process Methods 0.000 description 2
• 235000014676 Phragmites communis Nutrition 0.000 description 1