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发明名称
INSTRUMENTO DE MEDICION PORTATIL PARA LA DETERMINACION DEL CONTENIDO DE GAS DE LAS CORRIENTES DE AIRE EN LAS MINAS BAJO TIERRA
摘要
申请公布号
ES321785(A1)
申请公布日期
1966.06.16
申请号
ES19850003217
申请日期
1966.01.14
申请人
HUBNER, ROLF
发明人
分类号
(IPC1-7):G01
主分类号
(IPC1-7):G01
代理机构
代理人
主权项
地址
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