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发明名称
SOUND ABSORBING DISC DOUBLING AS ORNAMENT
摘要
申请公布号
JPS5452816(A)
申请公布日期
1979.04.25
申请号
JP19770117320
申请日期
1977.10.01
申请人
SAKAHARA RIYOUICHI
发明人
SAKAHARA RIYOUICHI
分类号
G10K11/16;E04B1/84;E04B1/86;G10K11/02
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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