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经营范围
发明名称
Protective headgear and lining suspensions
摘要
申请公布号
US2870445(A)
申请公布日期
1959.01.27
申请号
US19540465309
申请日期
1954.10.28
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
FISHER JOSEPH R.
分类号
A42B3/14
主分类号
A42B3/14
代理机构
代理人
主权项
地址
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