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Title:
SOUND-PROOF PACKAGE
Document Type and Number:
Japanese Patent JPS5961889
Kind Code:
A
Abstract:
The invention relates to a noise reduction lining of the kind for use in passenger compartments of automobiles for absorbing engine noise of five or six cylinder combustion engines, and comprises between a cover layer and a base layer an absorption layer of open-pored elastic material into which is embedded a perforsted extinction layer.

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Inventors:
YOHANESU FUAN DEN BUUMU
GERUTO KUIPERUSU
HAINTSU HORAABUEEGAA
GEORUHI BURATSUTO
Application Number:
JP15235983A
Publication Date:
April 09, 1984
Filing Date:
August 19, 1983
Export Citation:
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Assignee:
AUDI AG
International Classes:
B32B5/18; G10K11/16; G10K11/168; B60R13/08; (IPC1-7): B60R13/08; B62D25/00; G10K11/16
Domestic Patent References:
JPS52155501A1977-12-24
JP57090499B
Attorney, Agent or Firm:
Yoshihiro Morimoto



 
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