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发明名称
空间吸声体(1)
摘要
申请公布号
CN3311167D
申请公布日期
2003.07.30
申请号
CN02377108.9
申请日期
2002.11.28
申请人
上海申华声学装备有限公司
发明人
杨荣平
分类号
25-01
主分类号
25-01
代理机构
上海智力专利事务所
代理人
瞿承达
主权项
地址
200070上海市闸北区沈家宅路60号
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