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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE TECHOS PARA DEPO- SITOS SUBTERRANEOS.
摘要
申请公布号
ES337188(A1)
申请公布日期
1968.03.01
申请号
ES19880003371
申请日期
1967.02.23
申请人
CONCH INTERNATIONAL METHANE LIMITED
发明人
分类号
F17C3/00;(IPC1-7):F17C/
主分类号
F17C3/00
代理机构
代理人
主权项
地址
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