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发明名称
摘要
申请公布号
FR2478156(B1)
申请公布日期
1983.05.20
申请号
FR19800006081
申请日期
1980.03.14
申请人
JEREZ LUCIEN
发明人
分类号
E01C7/35;E01C19/18;E01C19/26;E01C19/40;E01C19/42;E01C19/48;E01C23/14;(IPC1-7):E01C19/48;E01C21/00;E01C23/03
主分类号
E01C7/35
代理机构
代理人
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