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发明名称
SOUND INSULATION CONCRETE BOARD HAVING SOUND ABSORBING PERFORMANCE
摘要
申请公布号
JPH02131296(A)
申请公布日期
1990.05.21
申请号
JP19880285174
申请日期
1988.11.11
申请人
HIROSESEIZABUROU SHOTEN:KK
发明人
HIROSE SHUJI
分类号
G10K11/172;G10K11/16
主分类号
G10K11/172
代理机构
代理人
主权项
地址
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