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发明名称
EAR-PROTECTION DEVICE
摘要
申请公布号
GB2130470(B)
申请公布日期
1986.01.02
申请号
GB19830023925
申请日期
1983.09.07
申请人
* MINISONIC AG
发明人
HANS-RUDOLF * SCHIESS
分类号
A61F11/14;H04R5/033;(IPC1-7):A41D21/00
主分类号
A61F11/14
代理机构
代理人
主权项
地址
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