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经营范围
发明名称
Laminated sound absorbing elements
摘要
申请公布号
GB940768(A)
申请公布日期
1963.11.06
申请号
GB19600040873
申请日期
1960.11.28
申请人
EVERS & CO. AKTIEBOLAGET
发明人
CHRISTENSEN REGNAR
分类号
E04B1/84;E04B1/86
主分类号
E04B1/84
代理机构
代理人
主权项
地址
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