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发明名称
SOUNDPROOF WALL
摘要
申请公布号
JPH11141007(A)
申请公布日期
1999.05.25
申请号
JP19970341821
申请日期
1997.11.05
申请人
TSUTSUMI AKIO
发明人
TSUTSUMI AKIO
分类号
E04B1/82;E04B1/86;(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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