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经营范围
发明名称
Procédé et appareil perfectionnés pour la rupture des roches immergées
摘要
申请公布号
FR1004581(A)
申请公布日期
1952.03.31
申请号
FRD1004581
申请日期
1947.07.11
申请人
发明人
DOEDES LAMBERT;BRESSER NICOLAAS DE RONDE;HATTEM PETRUS CORNELIS SUPET VAN;KRETSCHM CONSTANTIJN LEOPOLD CAREL VAN
分类号
E02B3/02
主分类号
E02B3/02
代理机构
代理人
主权项
地址
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