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经营范围
发明名称
Protective helmet lining
摘要
申请公布号
US3046559(A)
申请公布日期
1962.07.31
申请号
US19580744240
申请日期
1958.06.24
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
COX WILMA W.;COX CLARA W.
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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