JPS6447943U - - Google Patents

Info

Publication number

JPS6447943U

JPS6447943U JP14417987U JP14417987U JPS6447943U JP S6447943 U JPS6447943 U JP S6447943U JP 14417987 U JP14417987 U JP 14417987U JP 14417987 U JP14417987 U JP 14417987U JP S6447943 U JPS6447943 U JP S6447943U

Authority

JP

Japan

Prior art keywords

sound

wall

insulating cover

sound source

sound insulating

Prior art date

1987-09-21

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

• 238000009413 insulation Methods 0.000 claims description 2
• 239000011358 absorbing material Substances 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1