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经营范围
发明名称
Ridge structure
摘要
申请公布号
EP0840069(B1)
申请公布日期
2004.03.24
申请号
EP19970402545
申请日期
1997.10.27
申请人
H E P
发明人
BLUTEAU, MICHEL
分类号
E04D3/08;E04D13/143;E04D13/17;F24F7/02;(IPC1-7):F24F7/02;E04D13/16;E04D13/14
主分类号
E04D3/08
代理机构
代理人
主权项
地址
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