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发明名称
ANORDNING FOER DAEMPNING OCH ABSORPTION AV LJUD I LOKALER
摘要
申请公布号
FI68442(C)
申请公布日期
1985.09.10
申请号
FI19810001002
申请日期
1981.04.01
申请人
BYGGNADSFYSIK A & K AB
发明人
HELLSTROEM PER ANDERS
分类号
G10K11/16;E04B1/82;E04B1/84;E04B1/99;(IPC1-7):E04B1/84
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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