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发明名称
Helmet head positioner
摘要
申请公布号
US3028602(A)
申请公布日期
1962.04.10
申请号
US19600076804
申请日期
1960.12.19
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
MILLER JOHN C.
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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