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发明名称
PROCEDIMIENTO PARA EXTRAER POR MEDIOS NEUMATICOS UN MATERIAL DE CONSTRUCCION HIDRAULICO, TRANSPORTADO POR MEDIOS HIDROMECANICOS, DE EXPLOTACIONES SUBTERRANEAS
摘要
申请公布号
ES536470(D0)
申请公布日期
1985.07.01
申请号
ES19700005364
申请日期
1984.10.03
申请人
FRIEDRICH WILH. SCHWING GMBH.
发明人
分类号
B65G53/32;E04F21/12;E21D11/10;(IPC1-7):E21D11/10
主分类号
B65G53/32
代理机构
代理人
主权项
地址
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