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经营范围
发明名称
Protective helmet of the movable segment type
摘要
申请公布号
US4827537(A)
申请公布日期
1989.05.09
申请号
US19870140299
申请日期
1987.12.31
申请人
SMI S.A.
发明人
VILLA, PAOLO
分类号
A63B71/10;A42B1/20;A42B3/00;A42B3/32
主分类号
A63B71/10
代理机构
代理人
主权项
地址
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