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发明名称
SOUND ABSORBING PLATE
摘要
申请公布号
JPH06173223(A)
申请公布日期
1994.06.21
申请号
JP19910067490
申请日期
1991.04.01
申请人
HIROSE GIKEN KK;KEIHAN CONCRETE KOGYO KK
发明人
SAKATA NORIHIKO
分类号
E01F8/00;E04B1/86;(IPC1-7):E01F8/00
主分类号
E01F8/00
代理机构
代理人
主权项
地址
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