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发明名称
PERFECTIONNEMENTS RELATIFS A UN EQUIPEMENT D'EXCAVATION EN VUE DE CREUSER DES TRANCHEES POUR L'ENFOUISSEMENT DE PAROIS
摘要
申请公布号
BE762120(A1)
申请公布日期
1971.07.01
申请号
BE19710762120
申请日期
1971.01.27
申请人
K.K. TONE BORIN, 6-17, 1-CHOME, MEGURO, MEGURO-KU, TOKYO-TO, (JAPON),
发明人
N. IKEDA
分类号
E02D17/13;E02F5/02;E21B4/16;E21B7/00;(IPC1-7):E02F/
主分类号
E02D17/13
代理机构
代理人
主权项
地址
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