JPS6213107Y2 - - Google Patents

Info

Publication number

JPS6213107Y2

JPS6213107Y2 JP17830781U JP17830781U JPS6213107Y2 JP S6213107 Y2 JPS6213107 Y2 JP S6213107Y2 JP 17830781 U JP17830781 U JP 17830781U JP 17830781 U JP17830781 U JP 17830781U JP S6213107 Y2 JPS6213107 Y2 JP S6213107Y2

Authority

JP

Japan

Prior art keywords

hammer

rail

hammer rail

felt

piano

Prior art date

1981-11-30

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

Links

• Espacenet
• Global Dossier
• Discuss

• 229910000831 Steel Inorganic materials 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 4
• 239000010959 steel Substances 0.000 claims description 4
• 238000010586 diagram Methods 0.000 description 2
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 239000011248 coating agent Substances 0.000 description 1
• 238000000576 coating method Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000003973 paint Substances 0.000 description 1
• 238000004381 surface treatment Methods 0.000 description 1