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经营范围
发明名称
Adjustable Ear Protector
摘要
申请公布号
GB1153417(A)
申请公布日期
1969.05.29
申请号
GB19680012045
申请日期
1968.03.12
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
分类号
A61F11/14
主分类号
A61F11/14
代理机构
代理人
主权项
地址
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