JPH01108315U - - Google Patents

Info

Publication number

JPH01108315U

JPH01108315U JP119588U JP119588U JPH01108315U JP H01108315 U JPH01108315 U JP H01108315U JP 119588 U JP119588 U JP 119588U JP 119588 U JP119588 U JP 119588U JP H01108315 U JPH01108315 U JP H01108315U

Authority

JP

Japan

Prior art keywords

sound absorbing

absorbing material

resistant

detachable

blocks

Prior art date

1988-01-11

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

• 239000011358 absorbing material Substances 0.000 claims description 4
• 239000002253 acid Substances 0.000 claims 1
• 239000002184 metal Substances 0.000 description 1
• 238000004080 punching Methods 0.000 description 1
• 230000003584 silencer Effects 0.000 description 1

Cited By (1)