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发明名称
SOUND ABSORBING BOARD STRUCTURE
摘要
申请公布号
GB8333823(D0)
申请公布日期
1984.02.01
申请号
GB19830033823
申请日期
1983.12.20
申请人
ARMSTRONG WORLD INDUSTRIES INC
发明人
分类号
B32B3/24;G10K11/172;(IPC1-7):E04B1/86
主分类号
B32B3/24
代理机构
代理人
主权项
地址
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