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经营范围
发明名称
NOISE PREVENTING SINGING SYSTEM
摘要
申请公布号
JPS61179939(A)
申请公布日期
1986.08.12
申请号
JP19850017742
申请日期
1985.02.02
申请人
SHIODA EIKO
发明人
SHIODA EIKO
分类号
G10K11/16;E04B1/82;E04B1/99;G10K15/04
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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