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经营范围
发明名称
STRUCTURE AMELIOREE DE CASQUE DE SECURITE
摘要
申请公布号
FR2641166(B3)
申请公布日期
1990.12.21
申请号
FR19880016469
申请日期
1988.12.14
申请人
TENG HUI LU
发明人
分类号
A42B3/12;A42B3/28;(IPC1-7):A42B3/28
主分类号
A42B3/12
代理机构
代理人
主权项
地址
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