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发明名称
SOUND ABSORBING DEVICE AND SOUND ABSORBING STRUCTURE FOR ROOM
摘要
申请公布号
JPH10227084(A)
申请公布日期
1998.08.25
申请号
JP19970033545
申请日期
1997.02.18
申请人
SEKISUI CHEM CO LTD
发明人
TAKEUCHI ATSUSHI
分类号
E04B1/82;G10K11/172;(IPC1-7):E04B1/82
主分类号
E04B1/82
代理机构
代理人
主权项
地址
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