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经营范围
发明名称
AN ARRANGEMENT FOR DAMPING AND ABSORPTION OF SOUND IN ROOMS
摘要
申请公布号
EP0037610(B1)
申请公布日期
1984.12.05
申请号
EP19810200362
申请日期
1981.04.01
申请人
BYGGNADSFYSIK A & K AB
发明人
HELLSTROM, PER ANDERS
分类号
G10K11/16;E04B1/82;E04B1/84;E04B1/99;(IPC1-7):04B1/99;04B1/84;04B1/86
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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