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发明名称
PROCEDE ET DISPOSITIF D'ENLEVEMENT DU REVETEMENT DE BETON DE CANALISATIONS
摘要
申请公布号
FR2319829(A1)
申请公布日期
1977.02.25
申请号
FR19750033565
申请日期
1975.11.03
申请人
JET RESEARCH CENTER INC
发明人
分类号
F16L9/00;B08B7/00;E04G23/08;F16L9/14;F42D3/00;F42D3/02;(IPC1-7):F16L1/00
主分类号
F16L9/00
代理机构
代理人
主权项
地址
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