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经营范围
发明名称
SOUND ABSORBING MATERIAL
摘要
申请公布号
JPH10282964(A)
申请公布日期
1998.10.23
申请号
JP19970099729
申请日期
1997.04.01
申请人
IMAE KOGYO KK
发明人
IMAE KENJI;SAITO YU
分类号
E04B1/86;G10K11/162;(IPC1-7):G10K11/162
主分类号
E04B1/86
代理机构
代理人
主权项
地址
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