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发明名称
SHOCK ABSORBING HELMET
摘要
申请公布号
US3616463(A)
申请公布日期
1971.11.02
申请号
USD3616463
申请日期
1970.07.06
申请人
MINE SAFETY APPLIANCES CO.
发明人
MICHAEL THEODORE;JAMES J. SUMMERS
分类号
A42B3/06;(IPC1-7):A42B3/00
主分类号
A42B3/06
代理机构
代理人
主权项
地址
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